Sam, U.S., S. Ali, M.S. and Arsyad, M. 2018. PERSEPSI PETANI TERHADAP LADA ORGANIK DAN NON ORGANIK. Jurnal Sosial Ekonomi Pertanian. 14, 2 (Jul. 2018), 121-132. DOI:https://doi.org/10.20956/jsep.v14i2.4243.