Adri Taufiqurrahman Yusar Geological Engineering Study Program, Sriwijaya University, Jl. Srijaya Negara, Palembang, South Sumatra, 30139, Indonesia Indonesia
Idarwati Idarwati Geological Engineering Study Program, Sriwijaya University, Jl. Srijaya Negara, Palembang, South Sumatra, 30139, Indonesia Indonesia