(3GdQbi GdTQYjI Hjf GdJfRjd hGdJWHjb (B/s - (3efOcGQ, adGM Hf ESeGYjd s ([(3O(B.(3e(B.]:s [(3O(B.(3f(B.](3,s, 2007)
(3GdeMJhjGJ (B: s
(3edGMb (B: (3UaMI s
(3HHdjhLQGajI (B: (3UaMI s
Keywords: (3YdGL Ojfjs