Sutheerasak, Ekkachai, Wirogana Ruengphrathuengsuka, and Sathaporn Chuepeng. 2021. “Investigation of PEE5 Blended with n-Butanol and Ethanol on Performance and Pollutants of a Direct Injection Diesel Engine”. Asian Health, Science and Technology Reports 30 (1):63-82. https://doi.org/10.14456/nujst.2022.6.