18 See Board of Experts of the International Religious Liberty Association, Guiding Principles Regarding Student Rights to Wear or Display Religious Symbols (15 November 2005), Principles Nos. 6 and 7, available at www.irla.org/documents/reports/symbols.html
18 See Board of Experts of the International Religious Liberty Association, Guiding Principles Regarding Student Rights to Wear or Display Religious Symbols (15 November 2005)， Principles No. 6 and 7, available at www.irla.org/documents/reports/symbols.html。