(3GdGjOjhdhLjI GdYQHjI GdeYGUQg (B/ s - (3YHOGddg GdYQGhis; (3Mcje QhOSJhfs; (3eMeO YjKGfis ([S.N] : (3OGQ GdMbjbI ddWHGYI hGdfTQ , s, 1981)
Keywords: (3GdadcdhQs; (3GdYGde GdYQHi (B- (3JGQjNs