OPTIMIZATION OF SOAP PRODUCTION USING MANGO PEELS ASH AS ALKALI SOURCE. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 3, n. 4, p. 343–351, 2023. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1656. Acesso em: 3 sep. 2025.