(3GdNLd (B/ s - (3cQhRjQ, QGjs; (3YHO Gddg, eYJR SjOs ((3GdUaGI (B: s (3GdeLdS GdhWfj ddKbGaI hGdafhf hGdBOGH, s, 2009)
Keywords: (3Yde GdfaS(B. s; (3GdYhGWa(B. s; (3GdNLd(B. s