(3Odjd GdOhQjGJ GdUGOQI HGdHdGO GdJhfSjI (B/ s - (3eMeO MeOGfs ([S.N] : (3GdeDSSI GdhWfjI ddJQLeI hGdJMbjb , s, 1989)
Keywords: (3GdOhQjGJs; (3GdGOdIs; (3GdOhQjGJ GdJhfSjIs