Volf, K, Kelly, L, Bengoechea, E G, Gobis, A, Lakerveld, J, Zukowska, J, Gelius, P, Messing, S, Forberger, S & Woods, C 2020, ' Systematic review examining the evidence for impact of school policies on physical activity ', European Journal of Public Health, vol. 30 . European Journal of Public Health, 30. Oxford University Press
Policy Evaluation Network (PEN) Consortium 2020, ' Policy Evaluation Network (PEN) : Protocol for systematic literature reviews examining the evidence for impact of policies on physical activity across seven different policy domains ', HRB open research, vol. 3, pp. 62 . https://doi.org/10.12688/hrbopenres.13089.3 HRB open research, 3 HRB Open Research