Analysis of bulk oil in Tulungagung district on physical and chemical properties. Medical Laboratory Analysis and Sciences Journal, [S. l.], v. 1, n. 1, p. 6–12, 2019. DOI: 10.35584/melysa.v1i1.16. Disponível em: https://melysajournal.com/index.php/Melysa/article/view/16. Acesso em: 3 apr. 2025.