ASPADIAH, V.; AKIB, N. I.; INDALIFIANY, A.; MULIADI, R.; LAYUK, R. R. Optimization of Tween 80 and Span 80 Combination in the Formulation of Niacinamide-Containing Body Lotion. Journal of Pharmaceutical and Natural Resources, [S. l.], v. 1, n. 1, p. 1–7, 2025. DOI: 10.23960/jpnar.v1i1.pp1-7. Disponível em: https://juke.kedokteran.unila.ac.id/index.php/jpnar/article/view/3596. Acesso em: 7 jan. 2026.