Taib, Ismanto A.R., et al. “Fluktuasi Musiman Cakalang (Katsuwonus pelamis): Studi Kasus Pelabuhan Perikanan Samudera Bitung (Seasonal Fluctuation of Skipjack (Katsuwonus pelamis): Case Study of Bitung Oceanic Fishing Port)”. JOURNAL OF CAPTURE FISHERIES SCIENCE AND TECHNOLOGY, vol. 3, no. 1, Aug. 2018, doi:10.35800/jitpt.3.1.2018.18853.