author = { Harr, Nora AND Eichler, Andreas AND Renkl, Alexander },

title = { Integrating pedagogical content knowledge and pedagogical/psychological knowledge in mathematics },

publisher = {Frontiers Research Foundation},

publisher = {: Albert-Ludwigs-Universität Freiburg},

isbn = {1664-1078},

keywords = { Lehrerbildung },

year = {2014},

year = {, 2017},

address = { Lausanne , ; Freiburg },

url = { http://slubdd.de/katalog?TN_libero_mab2 }