“Kajian Produktivitas Perikanan Tuna Cakalang Tongkol yang Tertangkap dengan Kapal Pukat Cincin (purse seine) 20 – 30 GT di Pelabuhan Perikanan Samudera Bitung (Productivity of Tuna, Skipjack, Tuna Frigate Catched by Purse Seiner 20 - 30 GT Landed in Bitung Oceanic Fishing Port)”, J. Capt. Fish. Sci. Technol., vol. 3, no. 1, Aug. 2018, doi: 10.35800/jitpt.3.1.2018.18909.