(NiZ OPYTA PREPODAWANIQ BIOLOGII W SREDNEJ [KOLE (B: s (NsBORNIK STATEJ (B/ s - (NmELXNIKOW(B, (NmIHAIL iWANOWI^s; (NiNSTITUT METODOW OBU^ENIQ (B((NmOSKWA(B)s ((NmOSKWA (B: s (NIZD(B-(NWO I TIP(B. (NiZD(B-(NWA aKAD(B. (NPED(B. (NNAUK rsfsr(B, s, 1950)
Keywords: (NbIOLOGIQ (B- (NmETODIKA PREPODAWANIQ s -- (NiDEJNO(B-(NPOLITI^ESKAQ NAPRAWLENNOSTX s -- (NsBORNIKIs