Junaidi, Junaidi, and Diva Syandriaji. “Photogrammetry Technology by Using DJI Phantom 4 RTK in Batang Mahat, Lima Puluh Kota Regency West Sumatera”. Jurnal Ilmiah Rekayasa Sipil 20, no. 1 (April 18, 2023): 61–70. Accessed August 6, 2026. https://ejournal2.pnp.ac.id/index.php/jirs/article/view/1055.