ANALISIS MARGIN PEMASARAN TOMAT DI DESA KOPIWANGKER KECAMATAN LANGOWAN BARAT KABUPATEN MINAHASA (Marketing Margin Analysis of Tomato in the Village of Kopiwangker District of West Langowan in Minahasa Regency). AGRIRUD [Internet]. 2019 Nov. 14 [cited 2026 Nov. 9];1(4). Available from: https://ejournal.unsrat.ac.id/v3/index.php/agrirud/article/view/26268