[Changes in pulse in children of the 1st and 5th grade of elementary schools during class].

Name: [Changes in pulse in children of the 1st and 5th grade of elementary schools during class].
Author: Zdunkiewicz, L

[Changes in pulse in children of the 1st and 5th grade of elementary schools during class]. — المؤلف: Zdunkiewicz, L — Roczniki Panstwowego Zakladu Higieny 1976

المؤلف: Zdunkiewicz, L
النشر: Roczniki Panstwowego Zakladu Higieny 1976
الوصف: 457-63 p.
الموضوعات: Age Factors؛ Child؛ Heart Rate؛ Humans؛ Learning؛ Male؛ Mental Fatigue