SARADA O. PERCEIVED EFFECTIVENESS AND CONSTRAINTS IN INNOVATIVE EXTENSION METHODOLOGY “MASTER TRAINERS TRAINING PROGRAMME” IN PRAKASAM DISTRICT OF ANDHRA PRADESH. JOR PJTSAU [Internet]. 2019 Apr. 8 [cited 2026 Jul. 26];46(1). Available from: https://epubs.icar.org.in/index.php/TJRP/article/view/88732