(NpEDAGOGI^ESKIE TRUDY (B/s - (NzUEW(B, (Nw(B.(Nf(B.s; (NrAJKOW(B, (Nb(B.(Ne(B.s; (NrAJKOW(B, (Nb(B.(Ne(B.s; (NaKADEMIQ PEDAGOGI^ESKIH NAUK rsfsrs ((NmOSKWA (B:s (NiZD(B-(NWO apn rsfsr(B,s, 1956)
Keywords: (NpEDAGOGIKAs