Ardahan, P. D. F., & Selçuk GÜLEÇ. (2020). Developing and Doing Validity and Reliability of the Motivational Factors Scale of Recreational Motorcycle Usage. ISPEC International Journal of Social Sciences & Humanities, 4(3), 129–144. https://doi.org/10.46291/ISPECIJSSHvol4iss3pp129-144