Sutheerasak, E., Ruengphrathuengsuka, W., & Chuepeng, S. (2021). Investigation of PEE5 Blended with n-Butanol and Ethanol on Performance and Pollutants of a Direct Injection Diesel Engine. Naresuan University Journal: Science And Technology (NUJST), 30(1), 63-82. doi:10.14456/nujst.2022.6