(3GdCghGd (B/s - (3GHf CHj GdOfjG, YHO Gddg Hf eMeO Hf YHjO,s 208-281 (3g`(B.s; (3GdSjO, eLOj aJMjs ((3GdefUhQI , eUQ ;s (3GdbGgQI (B:s (3OGQ Gdjbjf ddfTQ hGdJhRjY,s, 2000)
Keywords: (3jhe GdbjGeIs; (3GdLfIs; (3YdGeGJ GdSGYIs; (3GdKhGH hGdYbGHs; (3GdSeYjGJs