Ikdan Rifki Muhamad Ramadan Geological Engineering Study Program, Sriwijaya University, Jl. Srijaya Negara, Palembang, South Sumatra, 30139, Indonesia
Yogie Zulkurnia Rochmana Geological Engineering Study Program, Sriwijaya University, Jl. Srijaya Negara, Palembang, South Sumatra, 30139, Indonesia Indonesia