DJORU, M. R. B.; ADI, R. R. Formulasi NaOH Terhadap Kualitas Sabun Padat Ekstrak Kulit Ubi Ungu (Ipomia Batatas L). MARAS : Jurnal Penelitian Multidisiplin, [S. l.], v. 2, n. 4, p. 1824–1831, 2024. DOI: 10.60126/maras.v2i4.526. Disponível em: https://ejournal.lumbungpare.org/index.php/maras/article/view/526. Acesso em: 24 jan. 2025.