Velázquez Machuca MA, Equihua Soriano JR, Venegas González J, Montañez Soto JL, Pimentel Equihua JL, Muñoz Navia M. Physical and chemical characterization of residual sludge biochar. terra [Internet]. 2019 Jul. 15 [cited 2025 Jan. 9];37(3):243-51. Available from: https://mail.terralatinoamericana.org.mx/index.php/terra/article/view/409