(3eTcdI GdJVNe ai GdGbJUGO GdYQHi(B: (3GdLPhQ hGdeSHHGJ hGdGHYGO hGdSjGSGJ (B/ s - (3eQcR OQGSGJ GdhMOI GdYQHjIs; (3eMehO YHOGdaVjds ([S.N] : (3eQcR OQGSGJ GdhMOI GdYQHjI , s, 1982)
Keywords: (3GdYGde GdYQHis; (3GdGbJUGOs; (3GdJVNes