SARADA, O. PERCEIVED EFFECTIVENESS AND CONSTRAINTS IN INNOVATIVE EXTENSION METHODOLOGY “MASTER TRAINERS TRAINING PROGRAMME” IN PRAKASAM DISTRICT OF ANDHRA PRADESH. The Journal of Research, PJTSAU, India, v. 46, n. 1, 2019. Disponível em: https://epubs.icar.org.in/index.php/TJRP/article/view/88732. Acesso em: 26 jul. 2026.