Loh, B. H., S. N. F. Zainudin, L. J. Yu, and K. W. Tan. “Water-in-Diesel Nano-Emulsion: A Preliminary Study on Its Formation and Short Term Physical Stability”. Progress in Energy and Environment, vol. 3, Oct. 2017, pp. 7-13, https://www.akademiabaru.com/submit/index.php/progee/article/view/1039.