1
by Bereznjak, A. F.
Published 1935
[s.n.]
Subjects: '; ...Activity programs in education / Soviet Union...

2
by Sher, Nadezhda Sergeevna
Published 1925
Znanie
Subjects: '; ...Activity programs in education / Soviet Union...

3
by Panova, Natalʹja
Published 1940
[s.n.]
Subjects: '; ...Activity programs in education / Soviet Union...

4
Published 1936
[s.n.]
Subjects: '; ...Activity programs in education / Soviet Union...

5
by Flerina, Evgenija Aleksandrovna
Published 1936
Gos. uchebno-pedagog. izd-vo
Subjects: '; ...Activity programs in education / Soviet Union...