Pemodelan dan Perhitungan Estimasi Sumberdaya Batubara pada Formasi Muara Enim, Lapangan X, PT. Inti Putera Kanaan, Kecamatan Bayung Lencir, Kabupaten Musi Banyuasin, Sumatera Selatan = Modeling and Calculation of Coal Resource Estimates in Muara Enim Formation, Field X, PT. Inti Putera Kanaan, Bayung Lencir District, Musi Banyuasin Regency, South Sumatra