Gagnon, G. W., & Colley, M. (2001). Constructivist learning design. URL (last checked 6 February 2012). http://www.prainbow.com/cld/clds.html
 Hussain, I., & Sultan, S. (2010). Learning by doing: Outcomes of teaching a research course through group activities. Proceedings of the Annual International Conference on Computer Science Education: Innovation & Technology (CSEIT) 2010, Singapore City: Global Science and Technology Forum, 6-7 December 2010.
 Hussain, I., & Mahmood, S. T. (2010). Practice teaching or internship: Professional development of prospective teachers through their pre-Service training programmes. Journal of Educational Research, 13, 105-122.
 Hussain, I., & Reza, A. (2010). Getting into varsity: A country case study of Pakistan. In B. Vlaardingerbroek, & N. Taylor (Eds.), Getting Into Varsity—Comparability, Convergence and Congruence (pp. 117-126). Amherst, NY: Cambria Press Inc.
 Ismat, A. H. (1998). Constructivism in teacher education: Considerations for those who would link practice to theory. ERIC Digest. URL (last checked 5 January 2012) http://www.eric.edu.gov
 Merriam, S. B. (2001). Something old, something new: Adult learning theory for the twenty-first century. In S. B. Merriam, (Ed.), The New Update on adult learning theory, new directions in adult and continuing education No. 89, San Francisco: Jossey Bass.
 Petraglia, J. (1998). The real world on a short leash: The (mis) application of constructivism to the design of educational technology. Educational Technology Research and Development, 46, 53-65. doi:10.1007/BF02299761
 Santmire, T. E., Giraud, G., & Grosskopf, K. (1999). An experimental test of a constructivist educational environment. Annual Meeting of the American Educational Research Association, Montreal, 19-23 April 1999.
 Simpson, T. L. (2002). Dare I oppose constructivist theory? URL (last checked 5 January 2012). http://www.findarticles.com
 Sims, R., Dobbs. G., & Hand, T. (2001). Proactive evaluation: New perspectives for ensuring quality in online learning application. Conference proceedings of the 18th Annual Conference of the Australlian Society for Computers in Learning in Tertiary Education (ASCILITE), Meeting at the Crossroads, 509-517.
 Wang, H. (2003). Vygotsky and his theory. URL (last checked 5 January 2012). http://www.ceo.ksu.edu/jecdol/vol3/