(3GdeONd ddYdhe GdbGfhfjI (B:s (3GdfXQjI GdYGeI ddbGfhf hGdfXQjI GdYGeI ddMb (B/s - (3aQL, Jhajb MSfs ([(3ecGf GdfTQ ZjQ eMOO(B]:s (3eDSSI GdKbGaI GdLGeYjI,s, 1981)
Keywords: (3GdbGfhfs -- (3adSaIs