(3GdUMGHi VQGQ Hf GdGRhQ (B: (3GNHGQg h TYQg (B,(3NhdI HfJ GdGRhQ Hjf GdMbjbI h GdNjGd (B/ s - (3eMeO Ydi ObIs ([S.N] : (3OGQ eYO ddfTQ hGdJhRjY , s, 1992)
Keywords: (3GdGOH GdYQHis; (3OhGhjf hbUGFOs; (3UOQ GdGSdGes; (3VQGQ Hf GdGRhQs; (3NhdI HfJ GdGRhQs; (3JGQjN hfbOs