Khair A, Noraida N. The Ability of Alum to Reduce Color in Sasirangan Home Industry Wastewater. Med.Lab.Tech.J. [Internet]. 2025Jun.13 [cited 2025Jul.23];11(1):1-9. Available from: https://www.ejurnal-analiskesehatan.web.id/index.php/JAK/article/view/608