J. E. Sasaki, D. John, A. Hickey, K. Lyden, T. Hagobian, e P. Freedson, “Feasibility of using a continuous direct observation technique for assessment of free-living physical activity in young adults”, Arq Cien Esp, vol. 4, nº 1, jan. 2017, Acesso em: 6º de dezembro de 2025. [Online]. Disponível em: https://seer.uftm.edu.br/revistaeletronica/index.php/aces/article/view/1186