Impact of Water Hardness in Instinctive Laundry System Based on Fuzzy Logic Controller. Punjab University Journal of Mathematics, [S. l.], v. 51, n. 4, p. 73–84, 2025. Disponível em: https://pujm.pu.edu.pk/index.php/pujm/article/view/433. Acesso em: 29 jun. 2025.