“PERFORMANCE OF BUBBLE COLUMN BIOREACTOR TO PRODUCE LIQUID ORGANIC FERTILIZER (LOF) FROM COW URINE AND SLURRY ORGANIC WASTE”. Jurnal Teknologi (Sciences & Engineering) 85, no. 4 (June 25, 2023): 83–96. Accessed December 5, 2025. https://journals.utm.my/jurnalteknologi/article/view/18539.