(3fgL GdHdGZI (B/ s - (3GdTQja GdeQJVi(B: (3GHh GdbGSe Ydi Hf GdMSjf Hf ehSi Hf eMeO Hf GHQgjes; (3eMeO GHhGdaVd GHQGgjes ([S.N] : (3OGQ GMjGA GdcJH GdYQHjI , s, 1963)
Keywords: (3GdGSdGes; (3GdOjGfGJs; (3HjJ Ggd GdQShds; (3SjQI GdUMGHI hGdNdaGA GdQGTOjfs; (3Ydi Hf GHi WGdHs