Author Details
Войдинов, О. М.
Issue | Section | Title | File |
Vol 26, No 8 (1930) | Articles | School-sanitary supervision in higher education |
![]() (Rus) |
Issue | Section | Title | File |
Vol 26, No 8 (1930) | Articles | School-sanitary supervision in higher education |
![]() (Rus) |