Παραπομπή APA

Balachandra Nath, N. G. (2004). Extension strategies for hte major farming systems in the content of the changing agricultural situation in Keral (Ph.D.). College of Agriculture.

Παραπομπή Chicago Style

Balachandra Nath, N G. Extension Strategies for Hte Major Farming Systems in the Content of the Changing Agricultural Situation in Keral. Ph.D. Vellayani: College of Agriculture, 2004.

Παραπομπή MLA

Balachandra Nath, N G. Extension Strategies for Hte Major Farming Systems in the Content of the Changing Agricultural Situation in Keral. Ph.D. College of Agriculture, 2004.