Analysis of milkfish amplang business productivity in Sarijaya Village, Sanga-Sanga District, Kutai Kartanegara Regency. jipt [Internet]. 2024 Oct. 16 [cited 2026 Jan. 17];3(2):107-10. Available from: http://e-journals2.unmul.ac.id/index.php/jipt/article/view/733