Ardahan PDF, Selçuk GÜLEÇ. Developing and Doing Validity and Reliability of the Motivational Factors Scale of Recreational Motorcycle Usage. ISPECJSS [Internet]. 2020 Jun. 19 [cited 2024 Apr. 19];4(3):129-44. Available from: https://ispecjournal.org/index.php/ispecijssh/article/view/51