(3GdbHjdI GdKGdKI YTQI (B/ s - (3chjSJdQ(B, (3CQKQs; (3GHQGgje Rci NhQTjOs ([S.N] : (3OGQ GdeYGQa , s, 1979)
Keywords: (3adSWjfs; (3GSQGFjds; (3jghO GdNRQs; (3GdjghO (B- (3JGQjNs