title: [Working ability of pupils and organization of break regimen in primary schools (author's transl)].
mesh_terms: D002648:Child; D003604:Czechoslovakia; D006801:Humans; D008606:Mental Processes; D012146:Rest; D012574:Schools
vernacular_title: Práceschopnost ziaka a organizźcia prestávkového rezimu na základných skolách.