[Changes in working disposition in the course of the week in children of the 7th grade of an elementary school]. [electronic resource]

Name: [Changes in working disposition in the course of the week in children of the 7th grade of an elementary school]. [electronic resource]
Author: Zdunkiewicz, L

[Changes in working disposition in the course of the week in children of the 7th grade of an elementary school]. [electronic resource] — المؤلف: Zdunkiewicz, L — 1977

المؤلف: Zdunkiewicz, L
النشر: 1977
الوصف: 515-21 p.
الموضوعات: Age Factors؛ Child؛ Efficiency؛ Female؛ Humans؛ Male؛ Mental Fatigue؛ Students