(3bfGY GdbfGY (B/ s - (3TMGOI, eMeO fhQ GdOjfs ((3YeGf (B: s (3OGQ GdLdjd ddfTQ hGdOQGSGJ hGdCHMGK GdadSWjfjI, s, 1992)
Keywords: (3hcGdI GdESJNHGQGJ GdeQcRjI(B. s; (3GdLhGSjS(B. s