Sutheerasak, E., Ruengphrathuengsuka, W. and Chuepeng, S. (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), pp. 63–82. doi: 10.14456/nujst.2022.6.