Sheilaja Devi, Okram. A study of attitudes of primary school teachers towards environmental education in Imphal area / by Okram Sheilaja Devi. - Ph.D. / - Imphal : Manipur University , 2006 - 102p, Appendix-D : Subjects--Topical Terms: Primary School Teachers toward Environmental Education Dewey Class. No.: T / P6;1