(3GdIGdJUhjQ GdahJhZQGai (B: s (3JfajP OhGFQ GdJUhjQ GdahJhZQGajI hGSJYeGdJgG (B/ s - (3aGQhb eMeO GdYGeQis ((3GdbGgQI (B: s (3GdOGQ GdeUQjI GddHfGfjI , s, 1993)
Keywords: (3GdgfOSI GdGdcJQhfjIs; (3GdOhGFQ GdGdcJQhfjIs; (3GdGdcJQhfGJs; (3GdNdGjG GdcgQhVhFjIs; (3GdGdcJQhfjGJs