(3JGQjN ddgfO ddGWaGd (B/ s - (3OGdGd(B, (3QhTfs ((3GdgfO (B: s (3TQcI Qhajf ddcJH , s, 1997)
Keywords: (3GdgfO (B- (3JGQjNs; (3GdgfO (B- (3hUa hQMdGJs; (3GdgfO (B- (3bUUs