Alves, R., Gomes Precioso, J. A., & Becoña Iglesias, E. (2021). Physical activity among Portuguese university students and its relation to knowledge and perceived barriers. Sportis. Scientific Technical Journal of School Sport, Physical Education and Psychomotricity, 7(1), 25–42. https://doi.org/10.17979/sportis.2021.7.1.6924