FEBRIANA, B. The Application of Life Skills in Making of Alum from Can Waste. Proceedings of the International Conference on Education, [S. l.], v. 5, n. 1, p. 75–79, 2019. DOI: 10.17501/24246700.2019.5109.pdf. Disponível em: https://tiikmpublishing.com/proceedings/index.php/icedu/article/view/410. Acesso em: 26 nov. 2022.