SUTANTO, S. J.; RIDWAN, B. W. DRONE TECHNOLOGY FOR CONTOUR MAPPING: CASE STUDY AT P3SON HAMBALANG. JURNAL TEKNIK HIDRAULIK, [S. l.], v. 7, n. 2, p. 179–194, 2018. DOI: 10.32679/jth.v7i2.567. Disponível em: http://jurnalth-dev.pusair-pu.go.id/index.php/JTH/article/view/567. Acesso em: 3 apr. 2026.