“MODELING OF BATCH AND CONTINUOUS ANAEROBIC DIGESTION OF PALM OIL MILL EFFLUENT: THE EFFECT OF WASTEWATER-SLUDGE RATIO”.
Jurnal Teknologi (Sciences & Engineering) 78, no. 5-6 (May 16, 2016). Accessed April 6, 2025.
https://journals.utm.my/jurnalteknologi/article/view/8649.