WenLang Huang, and ShaoYong Liu. “The Observational Learning Effect on Skill Acquisition in Football”. Revista de Psicología del Deporte (Journal of Sport Psychology) 29, no. 4 (February 28, 2021): 33-43. Accessed April 22, 2021. https://rpd-online.com/index.php/rpd/article/view/227.