Sami Ahmad, Mohammad. “Friction and Indicated Power Measurement for Diesel Engine by ( Aerial Dynamometer”. Al-Rafidain Engineering Journal (AREJ) 20, no. 2 (April 1, 2012): 106–115. Accessed October 2, 2025. https://rsprs.uomosul.edu.iq/index.php/arej/article/view/30698.