Some data on the state of vision in schools where many subjects are taught in a foreign language

Bushanskaya, N.B.; Rundal'tseva-Ivanova, N.N.

Gigiena i Sanitariia 36(8): 112-113

1971


ISSN/ISBN: 0016-9900
PMID: 5145453
Document Number: 37693

Document emailed within 1 workday
Secure & encrypted payments