Kostakov V.G.
Planning of rational utilization of labour resources in the USSR - Moscow APDA RU 1980 - 6p - Abstract Discussion Paper .
UN/APDI/EMD/ADP-5
Planning of rational utilization of labour resources in the USSR - Moscow APDA RU 1980 - 6p - Abstract Discussion Paper .
UN/APDI/EMD/ADP-5