Đido, V., Pilav, A., Marjanović, M., Phillips, J. ., Švaljug, D., Boskovic, S., … Omerović, Đemil. (2020). Applicability of the Fels questionnaire on physical activity of children in rural areas of Bosnia and Herzegovina. Journal of Health Sciences, 10(3), 204–210. https://doi.org/10.17532/jhsci.2020.1072