(3QDi TYQjI (B/ s - (3YHOGdaJGM GdWGgQ GdNWjHs ([S.N] : (3O(B. (3f , s, 2006)
Keywords: (3GdTYQ GdYQHi (B- (3eLehYGJs; (3GdTYQ GdYQHi (B- (3bUGFO hOhGhjfs