by A G Madzhuga, V G Kalashnikov, S N Sladkov
Published in Vestnik Rossiĭskogo universiteta druzhby narodov. Serii͡a︡ psikhologii͡a︡ i pedagogika (01.12.2011)

by ODANOVA NINA B,SU, LOPAKOV VLADIMIR P,SU, SLADKOV GERMAN N,SU, NOVIKOV YAKOV M,SU, RUDYAK VITALIJ M,SU
Year of Publication 07.10.1981