(3JhUja GdGhVGY GdYGdejI GdeYGUQI (B/ s - (3GSeGYjd UHQi YHOGddgs ((3GdbGgQI (B: s (3efJOi GdYGde GdKGdK(B. (3ecJH GdTQb GdGhSW , s, 1999)
Keywords: (3GdGbJUGO (B- (3eUQs; (3eUQ (B- (3GdGMhGd GdGbJUGOjIs; (3eUQ (B- (3GdJfejI GdGbJUGOjIs; (3eUQ (B- (3GdJNWjW GdGbJUGOis