(NbOTANIKA (B:s (Nu^EBNIK DLQ PEDAGOGI^ESKIH U^ILI] (B/s - (NiGNATXEW(B, (NbORIS wARNAWOWI^s ((NmOSKWA (B: s (Nu^PEDGIZ(B, s, 1955)
Keywords: (NbOTANIKA s -- (Nu^EBNIKI I POSOBIQs