SANDIKA, Bayu. Irritation Test and Students’ Perception of Tobacco Extract Bar Soap (Nicotiana tabacum) Made from Cooking Oil Waste. Indonesian Journal of Mathematics and Natural Science Education, [S. l.], v. 4, n. 1, p. 53–61, 2023. DOI: 10.35719/mass.v4i1.127. Disponível em: https://mass.uinkhas.ac.id/index.php/mass/article/view/127. Acesso em: 22 nov. 2024.