UAV-BASED 1/500 TOPOGRAPHIC MAPPING FOR ESTIMATING LIMESTONE VOLUME AT TRAI SON QUARRY, VIETNAM. GEOMATE Journal, [S. l.], v. 30, n. 138, p. 13–20, 2026. Disponível em: https://geomatejournal.com/geomate/article/view/4989. Acesso em: 3 may. 2026.