Effectiveness of Nitrogen Sources in Different Organic Fertilizers as Urea Substitutions in Nutrient Culture of Nannochloropsis Sp. Jurnal Intek Akuakultur, [S. l.], v. 8, n. 1, p. 22–30, 2026. Disponível em: https://ojs.umrah.ac.id/index.php/intek/article/view/7478. Acesso em: 25 mar. 2026.