Remmers, T., Thijs, C., Ettema, D., de Vries, S., Slingerland, M., & Kremers, S. (2019). Critical Hours and Important Environments: Relationships between Afterschool Physical Activity and the Physical Environment Using GPS, GIS and Accelerometers in 10–12-Year-Old Children. Int J Environ Res Public Health.

Remmers, Teun, Carel Thijs, Dick Ettema, Sanne de Vries, Menno Slingerland, e Stef Kremers. "Critical Hours and Important Environments: Relationships between Afterschool Physical Activity and the Physical Environment Using GPS, GIS and Accelerometers in 10–12-Year-Old Children." Int J Environ Res Public Health 2019.

Remmers, Teun, et al. "Critical Hours and Important Environments: Relationships between Afterschool Physical Activity and the Physical Environment Using GPS, GIS and Accelerometers in 10–12-Year-Old Children." Int J Environ Res Public Health 2019.