Açıkkalp, Emin, Hasan Yamık, and Yakup İçingür. “Performance of a Compression Ignition Engine Operated With Sunflower Ethyl Ester under Different Engine Loads”. Journal of Energy in Southern Africa 25, no. 2 (June 23, 2014): 81–90. Accessed July 5, 2024. https://journals.assaf.org.za/index.php/jesa/article/view/2673.