Ardahan, Prof. Dr. Faik, and Selçuk GÜLEÇ. “Developing and Doing Validity and Reliability of the Motivational Factors Scale of Recreational Motorcycle Usage”. ISPEC International Journal of Social Sciences & Humanities 4, no. 3 (June 19, 2020): 129–144. Accessed December 21, 2024. https://ispecjournal.org/index.php/ispecijssh/article/view/51.