John, K. K. R., & Thulasidharan, T. V. G. (2007). Preparation and testing of learning modules in environmental science at higher secondary level (Ph.D.).
Chicago Edition CitationJohn, K K; Researcher, and T V; Guide Thulasidharan. Preparation and Testing of Learning Modules in Environmental Science at Higher Secondary Level. Ph.D. Kottayam, Mahatma Gandhi University, 2007.
MLA Edition CitationJohn, K K; Researcher, and T V; Guide Thulasidharan. Preparation and Testing of Learning Modules in Environmental Science at Higher Secondary Level. Ph.D. 2007.
Warning: These citations may not always be 100% accurate.