(3ef NWH GdeSLO GdMQGe (B:s (3JhLjgGJ hPcQi (B/s - (3Hf MejO, UGdM Hf YHO Gddgs 1369 (3gLQj(B-s ((3LOI (B- (3GdSYhOjI (B:s (3ecJHI GdVjGA,s, 1991)
Keywords: (3GdhYX hGdEQTGOs; (3GdOYhI GdESdGejIs; (3GdNWH GdOjfjI GdESdGejIs