(3hMOI GdGfSGf(B: (3OQGSGJ YdejI hGOHjI ai JcGed GdcGFf GdHTQi (B/ s - (3HQhfhaSci , L(B.s; (3aDGO PcQjGs ([S.N] : (3ecJHI GdGfLdhGdeUQjI , s, 1975)
Keywords: (3GdadSaIs; (3GdGfSGfs