Hygienic prerequisites for optimizing school lessons in the lower grades of secondary school

Serdiukovskaia, G.N.; Glushkova, E.K.; Doskin, V.A.; Sorokina, T.N.

Gigiena i Sanitariia 6: 29-33

1985


ISSN/ISBN: 0016-9900
PMID: 2863197
Document Number: 249761

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