[Changes in working disposition in the course of the week in children of the 7th grade of an elementary school].
[Changes in working disposition in the course of the week in children of the 7th grade of an elementary school]. — المؤلف: Zdunkiewicz, L — Roczniki Panstwowego Zakladu Higieny 1977
- المؤلف
- Zdunkiewicz, L
- النشر
- Roczniki Panstwowego Zakladu Higieny 1977
- الوصف
- 515-21 p.
- الموضوعات
- Age Factors؛ Child؛ Efficiency؛ Female؛ Humans؛ Male؛ Mental Fatigue؛ Students