(3af GdeQGSdGJ GdJLGQjI (B: s (3YQHj (B- (3aQfSj (B- (3EfLdjRj (B/ s - (3YdGhi, TcQjs ((3HjQhJ (B:s (3eDSSI fhad,s, 1985)
Keywords: (3GdeQGSdGJ GdJLGQjIs