(3GKQ GdchejOjG GdGdgjI dOGfJi ai Gdaf GdJTcjdi (B/ s - (3ZHQjGd hgHIs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdGOHs; (3Gdafhf GdJTcjdjIs; (3GdGOH GddGJjfis; (3GdTYQ GddGJjfi GdeJQLes