- DE RIDDER, J.H., VAN DEN BERG, P.H., ZANDBERG, A., BROODRYK, R. 2020. Anthropometric characteristics of elite u/18 Sevens rugby players: A focus on positional status. International Journal of Sports and Physical Edication (IJSPE), 6(3):1-8. http://dx.doi.org/10.20431/2454-6380.0603005
José Augusto Honorato Vieira Júnior , Karine Regina Facini , Carolin Lusby & Ricardo Ricci Uvinha (2020): Leisure as a social transformation in the community: the experience of the World Leisure Organization Field School in São Paulo, Brazil, World Leisure Journal, DOI: 10.1080/16078055.2020.1798049
Mok, M. M. C., Chin, M. K., Korcz, A., Popeska, B., Edginton, C. R., Uzunoz, F. S., … & Pasic, M. (2020). Brain Breaks® Physical Activity Solutions in the Classroom and on Attitudes toward Physical Activity: A Randomized Controlled Trial among Primary Students from Eight Countries. International Journal of Environmental Research and Public Health, 17(5), 1666