Mananggel H, Masengi KW, Kayadoe M. Efisiensi teknis dan ekonomis usaha penangkapan pukat cincin menurut gross tonnage kapal di Pelabuhan Perikanan Pantai Tumumpa Manado, Sulawesi Utara (Technical and economical efficiency of purse seine fisher based on tonnage ship in Tumumpa Fishing Port of Manado, North Sulawesi). Jur. Ilmu & Tek. Perik. Tangkap [Internet]. 2018 Oct. 22 [cited 2024 Nov. 22];3(2). Available from: https://ejournal.unsrat.ac.id/v3/index.php/JITPT/article/view/20662