author = { Topping, Keith AND Miller, David AND Murray, Pauline AND Conlin, Nora },

title = { Implementation integrity in peer tutoring of mathematics },

publisher = {Informa UK Limited},

isbn = {1469-5820},

isbn = {0144-3410},

keywords = { Developmental and Educational Psychology , Education , Experimental and Cognitive Psychology },

year = {2011},

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