(3JdNjU GdHjGf ai eLGRGJ GdbQGf (B/ s - (3eMeO YHOGdZfi MSf (B((3JbOje(B)s; (3GdTQja GdeQJVi(B: (3GHh GdbGSe Ydi Hf GdMSjf Hf ehSi Hf eMeO Hf GHQgjes ([S.N] : (3OGQ GMjGA GdcJH GdYQHjI , s, 1955)
Keywords: (3GdGSdGes; (3GdOjGfGJs; (3JaGSjQs; (3GdbQGfs