ANALISIS PENDAPATAN USAHA PENGOLAHAN NIRA AREN DI KECAMATAN SONDER KABUPATEN MINAHASA (Farmer Income Analysis of Palm Sap Processing Business in Sonder Subdistrict Minahasa Regency). AGRIRUD. 2022;4(2):15-32. doi:10.35791/agrirud.v4i1.41248