(3NQhL GdYQH ef GdJGQjNs - (3ahRj efUhQs; (3XQja YHOGddg s; (3ceGd YHOGddgs ([(3ecGf GdfTQ ZjQ eMOO(B] :s (3GdaGQGHj (B,s, 1991)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdacQ GdSjGSj GdYQHjs