Md Noor, M. A. ., & Zulkifli, A. F. H. (2020). Effects of CPO Biodiesel Blend Ratio on the Performance and Emission of Compression Ignition Engine . Progress in Engineering Application and Technology, 1(1), 428-437. https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/109