(3GdhVY GdbGfhfj h GdSjGSj dEbdje chQOSJGf ddaJQI eG Hjf (B((1970-2003)) :s (3OQGSI bGfhfjI SjGSjI (B/s - (3eNdU Sdje eQGOs ((3GdbGgQI (B:s (3Rfch (B,s, 2014)
. 197 -186 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdOSJhQj s