Sam, Ummu Sa’ada, M. Saleh S. Ali, and Muhammad Arsyad. 2018. “PERSEPSI PETANI TERHADAP LADA ORGANIK DAN NON ORGANIK”. Jurnal Sosial Ekonomi Pertanian 14 (2):121-32. https://doi.org/10.20956/jsep.v14i2.4243.