(3JYde GdESHGfjI ef ZjQ eYde (B: s (3WQjbI eHJcQI dJYdje GddZI GdESHGfjI aj CbUQ hbJ (B/ s ((3WQGHdS (B( (3dHfGf (B) :s (3OGQ GdTeGd ddWHGYI h GdfTQ h GdJhRjY,s, 1992)
Keywords: (3GddZI GdESHGfjIs; (3GdJYdes