Petraki Χ., Derri Β., Gaintatzis Σ. and Aggeloussis Ν. 2006. Relation between Parent’s and Children’s Physical Activity in Urban Regions of North Greece. Inquiries in Physical Education and Sport. 4, 1 (Mar. 2006), 1–10. DOI:https://doi.org/10.26253/heal.uth.ojs.ispe.2006.1112.