Junaidi, J., & Syandriaji, D. (2023). Photogrammetry Technology by Using DJI Phantom 4 RTK in Batang Mahat, Lima Puluh Kota Regency West Sumatera. Jurnal Ilmiah Rekayasa Sipil, 20(1), 61-70. https://doi.org/10.30630/jirs.v20i1.1055