“It’s a Battle… You Want to Do It, but How Will You Get It Done?”: Teachers’ and Principals’ Perceptions of Implementing Additional Physical activity in School for Academic Perform...

by Vera van den Berg, Rosanne Salimi, Renate H. M. de Groot, Jelle Jolles, Mai J. M. Chinapaw, Amika S. Singh
Published 2017-09-01