PONGSOPHA, Phattharachai; MAHO, Buchit; NAMJAN, Tanapat; INTARABUT, Darrakorn. Valorization of Spent Manganese Filter Media as Sustainable Fine Aggregate in Cement Mortar: Mechanical Performance and Chemical Durability. Engineering, Technology & Applied Science Research, Greece, v. 16, n. 3, p. 35862–35871, 2026. DOI: 10.48084/etasr.18123. Disponível em: https://www.etasr.com/index.php/ETASR/article/view/18123. Acesso em: 29 jun. 2026.