O. SARADA, “PERCEIVED EFFECTIVENESS AND CONSTRAINTS IN INNOVATIVE EXTENSION METHODOLOGY “MASTER TRAINERS TRAINING PROGRAMME” IN PRAKASAM DISTRICT OF ANDHRA PRADESH”, JOR PJTSAU, vol. 46, no. 1, Apr. 2019, Accessed: Jul. 26, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/TJRP/article/view/88732