(3GSJQGJjLjI ecGaMI GdeNOQGJ Ydi GdeSJhjjf GdYQHj hGdeMdj (B/s - (3GdQhjTO, Ydj Hf eO Gddgs ((3OeTb (B:s (3OGQ GdTGOj,s, 2000)
Keywords: (3ecGaMI GdeNOQGJ s; (3GdeNOQGJ s -- (3GdHdGO GdYQHjI s