Limbong, Irwan, Fitri Ariani, and Teguh Heriyanto. “PENGOPERASIAN ALAT TANGKAP PANCING ULUR KAITANYA DENGAN TINGKAT KERAMAHAN LINGKUNGAN DI PERAIRAN KUALLO SORKAM TAPANULI TENGAH”. Journal of Agribusiness and Community Development (AGRIVASI) UMUS 1, no. 1 (June 19, 2021): 67–72. Accessed May 28, 2022. http://jurnal.umus.ac.id/index.php/AGRIVASI/article/view/442.