1. Aini, M. S., Fakhru’l-Razi, A., Laily, H. P., & Jariah, M. (2003). Environmental concerns, knowledge and practices gap among Malaysian teachers. Journal of Sustainability in Higher Education, 4, 305–313.
2. Alberta Council for Environmental Education. (2012). Advancing pre-service environmental education in Alberta: A discussion paper. Retrieved from http://www.abcee.org/cms/wp-content/uploads/2011/02/Advancing-Pre-Service-Environmental-Education-in-Alberta-24-Jan-2012-draft.pdf
3. Aleixandre, M., & Gayoso, I. (1996). An approach to introducing environmental education into the science methods course in teacher education. Environmental Education Research, 2(1), 27–38.
4. Archie, M. (2001). Environmental education – Moving into the educational mainstream. Retrieved from: http://www.ascd.org/publications/newsletters/policy-priorities/aug01/num26/toc.aspx
5. Beckford, C. (2008). Re-positioning ecological education in teacher education programs in Ontario. Journal of Teaching and Learning, 5(1), 55–66.