Saputro DR, Indriani R, Bakari Y. Strategi Pengembangan Usahatani Kopi di Kecamatan Modayag Kabupaten Bolaang Mongondow Timur. jgt [Internet]. 2023 Aug. 12 [cited 2025 Jul. 5];12(2):138-47. Available from: https://www.jurnalpertanianumpar.com/index.php/jgt/article/view/1077