Ainun, Moh. Baqir, and Unsul Abrar. “Penentuan Harga Pokok Produksi Pada Tambak Udang UD. Berhasil Jaya Sumenep”. MANDAR: Management Development and Applied Research Journal 6, no. 1 (December 5, 2023): 9-19. Accessed August 7, 2025. https://ojs.unsulbar.ac.id/index.php/mandar/article/view/3327.