Opyt obʺektivnogo ucheta znaniĭ v shkole
Subtitle: otchet o prodelannoĭ DOBI rabote v 1926/27 uchebnom godu
By: S.I. Fedorov.
Publisher: Izd. DOBI
Published: 1929
Place of publication: Leningrad
Language: rus
Number of pages: 71