Vserossiĭskai͡a︡ konferent͡s︡ii͡a︡ po proizvodstvennomu obuchenii͡u︡ v FZS
Subtitle: tezisy.
Publisher: Gos. ucheb.-pedagog. izd-vo
Published: 1931
Place of publication: Moskva
Language: rus
Number of pages: 31