The Role of Fishery Extension officers in developing Fish Aquaculturer Groups (POKDAKAN) IN East Balikpapan Sub-district, Balikpapan. jppa [Internet]. 2023 Feb. 11 [cited 2025 Oct. 26];10(1). Available from: https://jppa.fpik.unmul.ac.id/index.php/ojs/article/view/196