Manambangtua, A.P. dkk. 2018. ANALISIS USAHATANI AREN (Arenga pinnata Merr) DI KOTA TOMOHON, SULAWESI UTARA. Jurnal Sosial Ekonomi Pertanian. 14, 1 (Feb 2018), 85–92. DOI:https://doi.org/10.20956/jsep.v14i1.3626.