Janssen, M., Toussaint, H. M., Van Willem, M., & Verhagen, E. A. (2011). PLAYgrounds: Effect of a PE playground program in primary schools on PA levels during recess in 6 to 12 year old children. Design of a prospective controlled trial. BioMed Central.
Citación estilo ChicagoJanssen, Mirka, Huub M. Toussaint, Mechelen Van Willem, and Evert ALM Verhagen. PLAYgrounds: Effect of a PE Playground Program in Primary Schools On PA Levels During Recess in 6 to 12 Year Old Children. Design of a Prospective Controlled Trial. BioMed Central, 2011.
Cita MLAJanssen, Mirka, Huub M. Toussaint, Mechelen Van Willem, and Evert ALM Verhagen. PLAYgrounds: Effect of a PE Playground Program in Primary Schools On PA Levels During Recess in 6 to 12 Year Old Children. Design of a Prospective Controlled Trial. BioMed Central, 2011.