ANALISIS INVESTASI USAHATANI KEDELAI VARIETAS TANGGAMUS DI KABUPATEN GORONTALO. AGRSOSEK [Internet]. 2015 Mar. 3 [cited 2026 Aug. 31];11(1):1-10. Available from: https://ejournal.unsrat.ac.id/v3/index.php/jisep/article/view/7165