(1)
sidiq, hidayatullah; Mukarrom, F. PENILAIAN KELAYAKAN EKONOMI INVESTASI PERALATAN TAMBANG MENGGUNAKAN METODE INCREMENTAL COST (STUDI KASUS: EXCAVATOR DOOSAN DX 340 LC-5). Journal Technology of Civil, Electrical, Mechanical, Geology, Mining, and Urban Design 2019, 4, 89-93.