(3CNdGb GdfHj Udi Gddg Ydjg hSde hBOGHg (B/s - (3GdGUHgGfj, YHO Gddg Hf eMeO Hf LYaQ,s 274-369 (3gLQjG(B.s; (3GdhfjGf, UGdM Hf eMeOs ((3GdQjGV (B:s (3OGQ GdeSde,s, 1998)
Keywords: (3CNdGb GdQShds; (3GdSjQI GdfHhjIs