(3GdcQhTjI ai UfGYI GdHdhRGJ(B: (3feGPL cQhTjI QGFYI heHJcQI (B/ s - (3fGOjI GHQGgje eMeOs ([S.N] : (3OGQ GdaGQhb ddfTQ hGdJhRjY , s, 1992)
Keywords: (3GdcQhTjIs; (3TZd GdGHQIs