Smena idet
By: pervai͡a Vsesoi͡uznai͡a konferent͡sii͡a i͡unykh pionerov.
Series: Biblioteka pionerskogo sleta.
Publisher: Molodai͡a gvardii͡a
Published: 1929
Place of publication: Moskva; Leningrad
Language: rus
Number of pages: 172
Subjects: Detskai͡a kommunisticheskai͡a organizat͡sii͡a i͡unykh pionerov imeni Lenina -- Congresses.; Communist education -- Soviet Union -- Congresses.