Amin, M. A., H. Shukor, N. F. Shoparwe, M. M. Z. Makhtar, A. Abdul Hamid, and W. Rongwong. “Medium Optimization for Biobutanol Production From Palm Kernel Cake (PKC) Hydrolysate By Clostridium Saccharoperbutylacetonicum N1-4”. Malaysian Applied Biology, vol. 53, no. 1, Mar. 2024, pp. 67-81, doi:10.55230/mabjournal.v53i1.2869.