(3bQGAJ ai COH ESHGfjG hCeQjcG GddGJjfjI (B/ s - (3MGeO CHh CMeOs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1993)
Keywords: (3GdGOH GdebGQf GdYQHi hGdGSHGfis; (3JGQjN hfbOs; (3GdGOH GdGSHGfi GdeJQLes; (3GdGOH GdebGQf GdGSHGfi h GdYQHis