(NkNIGA WOVATOGOs ([(NmOSKWA(B] :s (NmOL(B. (NGWARDIQ(B,s, 1954)
Keywords: (NpIONERRABOTA (B- (NmETODI^ESKIE POSOBIQs; (NwOSPITATELXNAQ RABOTA W PIONERSKIH ORGANIZACIQHs