MACKENBROCK, Juliane; GAWLIK, Angeli; PELS, Fabian; KLEINERT, Jens. Improving Students’ Motivation for Physical Activity Using Digital Media: A Quasi-Experimental Study in Physical Education Using Smartphones and Tablets. International Journal of Interactive Mobile Technologies (iJIM), [S. l.], v. 19, n. 04, p. pp. 4–25, 2025. DOI: 10.3991/ijim.v19i04.51969. Disponível em: https://online-journals.org/index.php/i-jim/article/view/51969. Acesso em: 27 apr. 2026.