“Mangrove Economic Ecosystem Value Based Non-Used Value at Kariangau Sub District West Balikpapan District Balikpapan City”. Jurnal Pembangunan Perikanan dan Agribisnis 1, no. 2 (July 1, 2014): 51–64. Accessed October 26, 2025. https://jppa.fpik.unmul.ac.id/index.php/ojs/article/view/188.