(3eYfi GdMjGI h GdehJ (B/ s - (3TJGjJHGN, QjJTGQOs; (3ehSi, gOis ((3GddGPbjI (B:s (3OGQ GdMhGQ ddfTQ h GdJhRjY,s, 1990)
Keywords: (3GdhaGIs