REYES-FERNÁNDEZ, B. .; MUÑOZ ROJAS, D. Are there really Stages of Change in Physical Activity? Findings from a Study with a Sample of University Students that Combines the Health Action Process Model with the Transtheoretical Model. Costa Rican Journal of Psychology, [S. l.], v. 42, n. 2, p. 277–299, 2023. DOI: 10.22544/rcps.v42i02.07. Disponível em: https://rcps-cr.org/openjournal/index.php/RCPs/article/view/260. Acesso em: 7 sep. 2026.