Gibran, Ilham Ainun, 		Naufal H, Augustrie, AND 		Rahmaniyah, Sakinah.
" THE ROLE OF THE JOINT LEADER OF FARMER GROUPS IN THE KARANGREJO SUB-DISTRICT, SUMBERSARI DISTRICT, JEMBER REGENCY" <em>SOCA: Jurnal Sosial Ekonomi Pertanian</em> [Online], (31 December 2018)