APA সাইটেশন

Geetha Gopinath; Researcher & Suresh, K. P. G. (2009). A plan of action for environmental education through learning of geography in secondary schools (Ph.D.).

শিকাগো স্টাইলে সাইটেশন

Geetha Gopinath; Researcher এবং K P; Guide Suresh. A Plan of Action for Environmental Education Through Learning of Geography in Secondary Schools. Ph.D. Kottayam, Mahatma Gandhi University, 2009.

এমএলএ সাইটেশন

Geetha Gopinath; Researcher এবং K P; Guide Suresh. A Plan of Action for Environmental Education Through Learning of Geography in Secondary Schools. Ph.D. 2009.