Analysis of the fertility level of Bedadung river Jember:  Literature study through primary productivity measurement. Kalijaga : Jurnal Penelitian Multidisiplin Mahasiswa, [S. l.], v. 1, n. 2, p. 49–53, 2025. DOI: 10.62523/kalijaga.v1i2.32. Disponível em: https://kalijaga.aksarashofa.com/index.php/kalijaga/article/view/32. Acesso em: 7 jun. 2025.