Shahputra, M. A. ANALISIS FINANSIAL BIOGAS LIMBAH CAIR KELAPA SAWIT SEBAGAI ENERGI TERBARUKAN DI PKS RAMBUTAN PTPN III (FINANCIAL ANALYSIS OF PALM OIL BIOGASS FROM MILL EFFLUENT OF CRUDE PALM OIL FACTORY AS A RENEWABLE ENERGY IN PKS RAMBUTAN PTPN III). Inovasi 2017, 14, 180-189.