1. Akkilic, M. E., & Semeric, C. (2005). The measurement of customer`s satisfaction in education services marketing. Pakistan Journal of Social Sciences, 3, 997–1001.
2. Aladejana, F., & Aderibigbe, O. (2007). Science laboratory environment and academic performance. Journal Science Educational Technology, 16, 500–506.
3. American Psychological Association (APA). (1997). Learner-centred psychological principals: A framework for school redesign and reform. Washington, DC: Author: http://www.apa.org/ed/lcpnewtext.html . Accessed August 15, 2005.
4. Anderson, E. W., Fornell, C., & Lehmann, D. R. (1994). Customer satisfaction, market share, and profitability: Finding from Sweden. Journal of Marketing, 58, 53–66.
5. Arzi, H. J. (1998). Enhancing science education through laboratory environments: More than walls, benches and widgets. In B. J. Fraser & K. G. Tobin (Eds.), International handbook of science education (pp. 527–564). Dordrecht: Kluwer Academic Publisher.