(3GdGaGJ GdMTQjI ai eUQ hGdHdGO GdYQHjI hWQb GdSjWQI YdjgG (B/ s - (3GMeO dWai YHOGdSdGes ([S.N] : (3GdecJHI GdGcGOjejI , s, 1993)
Keywords: (3GdRQGYIs; (3GdGaGJ GdRQGYjIs; (3GdMTQGJs