Raj Kamal P J & Prabhakaran T. (1979). Study of Selected Environmental Factors Influencing extension personnel in communicating improved Animal Husbandry Practices. Department of Extension, College of Veterinary and Animal Sciences.

Raj Kamal P J and Prabhakaran T. Study of Selected Environmental Factors Influencing Extension Personnel in Communicating Improved Animal Husbandry Practices. Mannuthy: Department of Extension, College of Veterinary and Animal Sciences, 1979.

Raj Kamal P J and Prabhakaran T. Study of Selected Environmental Factors Influencing Extension Personnel in Communicating Improved Animal Husbandry Practices. Department of Extension, College of Veterinary and Animal Sciences, 1979.