(3JGQjN GdGOH GdSQjGfi ef fTGJg Gdi GdYUQ GdMGVQ (B/ s - (3eQGO cGeds; (3eMeO MeOi GdHcQis; (3RcjI eMeO QTOis ([S.N] : (3OGQ GdKbGaI ddfTQ hGdJhRjY , s, 1987)
Keywords: (3GdGOH GdSQjGfis; (3JGQjN hfbOs; (3GdeLehYGJs