(3GdGbeGQ GdUfGYjI ddGJUGdGJ JbfjI GdGJUGdGJ YHQ GdaVGAs ([S.N] : (3GdOGQ GdYQHjI ddYdhe , s, 1989)
Keywords: (3GdaVGAs; (3GdGJUGdGJs; (3GdGJUGdGJ GdSdcjI hGddGSdcjIs; (3GdGJUGdGJ GdGdcJQhfjIs; (3GdGbeGQ GdUfGYjIs