(3GdELQGAGJ Gdafjg aj GdecJHGJ h eQGcR GdeYdheGJ (B: s (3GdJRhjO (B- (3GdagQSg (B- (3GdJUfja (B/ s - (3ESeGYjd, MSf UGdM YHO Gddgs; (3GdhQZj, EHQGgje Cejfs ((3YeGf (B:s (3ecJHI GdHTGFQ,s, 1989)
Keywords: (3Yde GdecJHGJs; (3Yde GdeYdheGJs