KEAWSRIYONG, Teerapat; WIPULANUSART, Warit; LEELATANON, Satjapan; SUKSUWAN, Nukul; WEEKAEW, Jakkarin; BAO PHAM, Quoc; DITTHAKIT, Pakorn. Optimizing Gravity-Fed Sewer Systems using GRG and PGSL: A Path to Cost-Effective Design. Engineering, Technology & Applied Science Research, Greece, v. 15, n. 3, p. 24087–24092, 2025. DOI: 10.48084/etasr.10228. Disponível em: https://etasr.com/index.php/ETASR/article/view/10228. Acesso em: 26 jun. 2026.