R. Seebauer, „Discussions on School Reform - a Long Way to the Unification of Schools for 10 to 14-Year-Olds“, REI, let. 2, št. 2/3, str. 77–88, avg. 2009, Pridobljeno: 8. november 2025. [Na spletu]. Dostopno na: https://old.journals.um.si/index.php/education/article/view/245