Muti M, Olviana T, Un P. IMPROVING THE EFFECTIVENESS OF AGRICULTURAL EXTENSION PROGRAMS THROUGH A WHATSAPP COMMUNICATION APPROACH IN MANULEA VILLAGE, SASITAMEAN DISTRICT, MALAKA REGENCY. impas [Internet]. 12May2026 [cited 15May2026];26(3):192-6. Available from: https://ejurnal.undana.ac.id/index.php/impas/article/view/28336