Yildiz, Yildiray. “AIR FUEL RATIO CONTROL USING DELAY RESISTANT CLOSED LOOP REFERENCE MODEL ADAPTIVE CONTROL”. Journal of Aeronautics and Space Technologies 11, no. 2 (July 17, 2018): 1-8. Accessed October 13, 2019. http://www.rast.org.tr/JAST/index.php/JAST/article/view/291.