Khadka, Chakra Bahadur. “How Much Money Can an Equation Really Save? Standard Test Method for Calculating Cetane Index via Four Variable Equation”. Economic Journal of Development Issues 19, no. 1-2 (July 7, 2017): 60–76. Accessed November 22, 2024. https://nepjol.info/index.php/EJDI/article/view/17702.