(3CjGe GdYQH aj GdGSdGes - (3GHQGgje(B. (3eMeO CHh GdaVd s ((3OGQ GdLjds (3HjQhJs, 1988)
Keywords: (3GdGSdGe (B- (3JGQjN s; (3GdGSdGe hGdYQH s