Panggabean, Bodian Davin, and Anton Yudi Umsini Putra. “ANALYSIS OF NATURAL UNDERGROUND TUNNEL BASED ON ROCK MASS RATING CLASSIFICATION IN TASANGKA AREA, JAYAPURA CITY”. INTAN Jurnal Penelitian Tambang 9, no. 2 (November 6, 2026): 59–68. Accessed November 14, 2026. http://www.jurnal-intan.ac.id/index.php/intan/article/view/460.