Invloed van extra lichamelijke opvoeding 1971-1972
收藏B2FIND2026-03-19 收录
下载链接：
https://b2find.eudat.eu/dataset/495916bc-0574-5bd5-ae0d-99a8c624c062
下载链接
链接失效反馈官方服务：
资源简介：
Effects of two extra physical exercise lessons per week during one school-year on the physical and mental growth of 12-13 year old boys ( pupils of brugklas of VWO and HAVO ) /...
