Wakhid, Abdul, AND 		Suciati, Luh.
" PENERAPAN DAN FAKTOR-FAKTOR YANG MEMPENGARUHI GOOD AGRICULTURE PRACTICES (GAP) USAHATANI KOPI RAKYAT  DI LERENG ARGOPURO KABUPATEN JEMBER" <em>JSEP (Journal of Social and Agricultural Economics)</em> [Online], Volume 13 Number 2 (31 July 2020)