(3ef MUGO GdOQGeG hGdfbO (B/ s - (3GHQGgje MeGOIs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3GdGOH GdYQHis; (3GdeSQM GdYQHis; (3JGQjN hfbOs; (3GdeSQMjGJ GdYQHjIs