Thach, P.N. and Tuan, H.K. 2025. Deformation Behaviors of Geogrid-reinforced Soil Walls: Single-Tier versus Two-Tier Walls. Engineering, Technology & Applied Science Research. 15, 3 (Jun. 2025), 22605–22611. DOI:https://doi.org/10.48084/etasr.10568.