(3bhI GdJQcjR h JMSjf GdPGcQI (B/s - (3eOMJ eMeO GHhGdfUQs ((3GdbGgQI (B: s (3GdeLehYI GdYQHjI ddJOQjH h GdfTQ ,s, 2012)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdPGcQIs; (3Yde GdfaS GdaSjhdhLis; (3GdGfJHGIs; (3GdGOQGcs