Abdul Jalil, Barlian Dwi Nagara, and Eko Wicaksono. “Geotechnical Study and Evaluation of the PT. Dizamtra Powerindo, West Merapi District, Lahat Regency, West Sumatra Province”. ReTII, Nov. 2022, pp. 145-53, //journal.itny.ac.id/index.php/ReTII/article/view/3580.