[Hygienic substantiation of mental work and recreation schedules].
Agarkov
V I
VI
Grebniak
N P
NP
D002648:Child; D003479:Curriculum; D006801:Humans; D007858:Learning / Q000502:physiology*; D005222:Mental Fatigue / Q000517:prevention & control; D011998:Recreation
Gigienicheskoe obosnovanie rezhima umstvennoĭ raboty i otdykha.