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. RCPS [Internet]. 2023 Dec. 29 [cited 2026 Sep. 7];42(2):277-99. Available from: https://rcps-cr.org/openjournal/index.php/RCPs/article/view/260