@book {9783830989851, title = "Kompetenzen voll entfaltet", isbn = "9783830989851", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783830989851", url = "https://content-select.com/de/portal/media/view/5c868572-0a0c-4463-8998-2fb3b0dd2d03", publisher = "Waxmann Verlag", }