(3JbQjQ Yf GdJfejI aj GdYGde (B1997:s (3GdOhdI aj YGde eJZjQ (B/s - (3GdHfc GdOhdjs ((3GdbGgQI(B:s (3eQcR GdGgQGe GdJLGQjI(B,s, 1997)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdGbJUGO Gdcdj s; (3JfejI OhdjIs; (3Hfc Ohdjs; (3Jehjds; (3GSJKeGQs; (3GUdGM VQjHjs