(3GdceHjhJQ heMGcGI GdYedjGJ GdcjejGFjI (B( 1s - (3YHO GddWja GHhGdSYhO(B.s; (3YHO GddWja GHhGdSYhO(B.s ((3HjQhJ (B:s (3OGQ GdQGJH GdLG eYjI(B.,s, 1988)
(3GjV (B.s
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Keywords: (3GdYedjGJ GdcjejGFjI hGdceHjhJQ(B.s