Samadi, Hadi, et al. “The Comparison of Validity and Reliability of a Novel Smartphone-Based Tool With Foot Scanner for Hallux Valgus Angle Measurement”. International Journal of Sport Studies for Health, vol. 7, no. 2, Apr. 2024, pp. 87-93, https://journals.kmanpub.com/index.php/Intjssh/article/view/2745.