Nimasari N, Magdalena H, Nugroho W. Perhitungan Rencana Biaya Penataan Lahan dan Penebaran Topsoil pada Pit A4 di PT. Energi Cahaya Industritama Samarinda Kalimantan Timur. Jurnal Sosains [Internet]. 2023Sep.15 [cited 2025Oct.9];3(9). Available from: https://sosains.greenvest.co.id/index.php/sosains/article/view/1006