(3GdQhGjI GdMOjKI(B: (3GdGfcdjRjI hGdaQfSjI (B/ s - (3hjSJ, Hhds; (3YHOGdhGMO eMeOs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1986)
Keywords: (3GdGOHs; (3GdbUU GdGfLdjRjIs; (3GdbUUs; (3GdbUU GdaQfSjIs; (3JGQjN hfbOs