SANTOSO, B.; PERMATASARI, A. P.; PRATAMA, S.; SUSMANTO, P.; NINGSIH, R. Y. B. . Valorization of Waste Cooking Oil into Liquid Organic Fertilizer by Anaerobic Fermentation Method. Jurnal Teknik Kimia dan Lingkungan, [S. l.], v. 7, n. 1, p. 39–47, 2023. DOI: 10.33795/jtkl.v7i1.356. Disponível em: https://jurnal.polinema.ac.id/index.php/jtkl/article/view/1617. Acesso em: 5 nov. 2026.