Al-Busaidi, S., & Sultana, T. (2014). Critical thinking through translated literature in the EFL Omani class. International Journal of English and Literature, Vol.6 , No.(1), pp:16–22.
                                                                                                                Anderson, L. W. (1994). Research on teaching and teacher education.  In. L.W. Anderson & L.A. Sosniak (Eds.). Bloom's Taxonomy: A Forty-Year Retrospective. Ninety-third Yearbook of the National Society for the Study
                                                                                                                             of Education (pp. 126-145). Chicago, IL: University of Chicago Press.
                                                                                                                Bloom, B. S. (Ed.). (1984). Taxonomy of educational objectives. Book 1: Cognitive domain. White Plains, NY: Longman.
                                                                                                                Brown, T. (2004). Bloom’s taxonomy: Bloom’s taxonomy and critical thinking. In J. L.Kincheloe & D. Weil (Eds.), Critical thinking and learning: An
                                                                                                                             encyclopedia for parents and teachers (pp. 77-82). Westport, CT:
                                                                                                                             Greenwood.
                                                                                                                Butler, Heather. A. (2012) “Halpern Critical Thinking Assessment Predicts Real-
                                                                                                                           World Outcomes of Critical Thinking”. Applied Cognitive Psychology,  vol. 25, no.  5 , pp: 721-729, doi: https://doi.org/10.1002/acp.2851.
                                                                                                                Clark, L.H. & Starr, S. I. (1991).   Secondary and Middle School Teaching Methods. Macmillian Publishing Company, New York.
                                                                                                                Edwards, M. C., & Briers, G. E. (2000). Higher-order and lower-order thinking skills achievement in secondary-level animal science: Does block  scheduling pattern influence end-of-course learner performance? Journal of gricultural Education,41(4), 2-14.
                                                                                                                 Elder,  L.  &  Paul,  R.  (1994).  Critical  thinking:  Why  we  must transform our teaching. Journal of Developmental Education.
                                                                                                                Ennis, R. H. (1985). A logical basis for measuring critical thinking skills. Educational  Leadership, 43(2), 44-48.
                                                                                                                Facione, P. A. (2000). The disposition toward critical thinking: Its character, measurement, and relationship to critical thinking skill. Informal Logic, 20(1), 61-84.
                                                                                                                Flavell, J. H. (1979). Metacognition and cognitive monitoring: A new area of cognitive- developmental inquiry. American Psychologist, 34(10), 906-911.
                                                                                                                Hader, R. (2005). Carve out time to think - yes think. Nursing Management, 36(4), Retrieved April 5,2011, from: EBSCO Host database.
                                                                                                                Halpern, D. F. (1999). Teaching for critical thinking: Helping college students develop the skills and dispositions of a critical thinker. New Directions for Teaching and Learning, 80, 69-74.
                                                                                                                Levine, A., & Cureton, J. S. (1998). When hope and fear collide: A portrait of today's college student. San Francisco, CA: Jossey-Bass.
                                                                                                                Moseley, David, et al. (2005)  Frameworks for Thinking:  A Hand book for Teaching and Learning. Cambridge University Press, 2005.
                                                                                                                Nickerson,  R.S.,  Perkins,  D.N  .•     & Smith,  E. E.   ( 1985).   The reaching of thinking.   Hillsdale.NJ:   Lawrence  Erlbaum  Associates  Inc.
                                                                                                                Paul, R. (1989). Regarding a definition of critical thinking. Paper  presented at the International Conference on Critical Thinking and Educational Reform’s 25th conference, Rohert Park, CA, United States of America
                                                                                                                Paul, R., & Elder, L. (2008). The miniature guide to critical thinking concepts and tools.Tomales, CA: Foundation for Critical Thinking.
                                                                                                                                                                                                                                Shaw, N. (2011). World skills international. Talk given at the seminar Global  Skills Marketplace, October 7, London, UK. Accessed http:// 
www.britishcouncil.org/learning-skills- for- employability-project-stories-
           about-our-work- meeting-the-skills-challenge-in-the-arabic- world.htm.
                                                                                                                Timpson, W. M. (1999). Metateaching and the instructional map. Madison, WI: Atwood Publishing.
                                                                                                                Ur, P. (1996). A course in language teaching: Practice and theory. Cambridge: Cambridge University Press.
                                                                                                                Van Gelder, T. (2005). Teaching critical thinking: Some lessons from cognitive science. College Teaching, 53(1), 41-48.
                                                                                                                Veenman, M. V. J., Van Hout-Wolters, B. H. A. M., & Afflerbach, P. (2006).Metacognition and learning: Conceptual and methodological   
                                                                                                                            considerations.Metacognition Learning, 1(1), 3-14.
                                                                                                                Wals, A. E. J., & Jickling, B. (2002). Sustainability in higher education: From doublethink and newspeak to critical thinking and meaningful learning. International Journal of Sustainability in Higher Education, 3(3), 221-232.