Arini Putri, D. .; Utama, R.; Noveriady. PENGAMATAN KEGIATAN SURVEI TOPOGRAFI ARAH KEMAJUAN TAMBANG PT. RIMAU ENERGY MINING: OBSERVATION OF TOPOGRAPHIC SURVEY ACTIVITIES IN THE DIRECTION OF MINING PROGRESS OF PT. RIMAU ENERGY MINING. JTP 2024, 24, 86-91.