(3YUQ Gdedc GdcGed GdGjhHj (B/ s - (3GdUGFZ, PcQi YRjR eMeO UGdMs; (3GdJcQjJj, eMeO jGSjfs; (3LGeYI GdehUd (B. s (3cdjI GdGOGH (B. s (3bSe GdJGQjN s (1988)
(3GdfU HGddZI GdYQHjI ; GdeSJNdU HGddZI GdYQHjI hGdGfcdjRjIs
Keywords: (3GdOhdI GdGjhHjIs