@inbook {1021,
	title = {{\quotesinglbase}Abstraction in Context{\textquoteleft} zur Optimierung einer Lernumgebung zum pr{\"a}formalen Beweisen mit digitalen Medien in der Primarstufe},
	booktitle = {Forschung zu und mit digitalen Medien {\textendash} Befunde f{\"u}r den Mathematikunterricht der Primarstufe},
	year = {2020},
	pages = {37-54},
	publisher = {WTM-Verlag},
	organization = {WTM-Verlag},
	address = {M{\"u}nster},
	author = {Platz, Melanie},
	editor = {Ladel, Silke and Rink, Roland and Schreiber, Christof and Walter, Daniel}
}
@inbook {1028,
	title = {Auditive Medien zur fachbezogenen Sprachbildung im Mathematikunterricht der Primarstufe},
	booktitle = {Forschung zu und mit digitalen Medien {\textendash} Befunde f{\"u}r den Mathematikunterricht der Primarstufe},
	year = {2020},
	pages = {201-216},
	publisher = {WTM-Verlag},
	organization = {WTM-Verlag},
	address = {M{\"u}nster},
	author = {Peters, Franziska},
	editor = {Ladel, Silke and Rink, Roland and Schreiber, Christof and Walter, Daniel}
}
@inbook {849,
	title = {Anwendungen am Multitouch-Tisch - Analyse und Design auf Basis der Artifact-Centric Activity Theory},
	booktitle = {Digitale Medien im Mathematikunterricht der Primarstufe. Ein Handbuch f{\"u}r die Lehrerausbildung. 3. Band der Reihe Lernen, Lehren und Forschen mit digitalen Medien in der Primarstufe},
	year = {2017},
	pages = {111-130},
	publisher = {WTM-Verlag},
	organization = {WTM-Verlag},
	address = {M{\"u}nchen},
	author = {Ladel, Silke and Dimartino, Mirjam},
	editor = {Ladel, Silke and Schreiber, Christof and Rink, Roland}
}
@inbook {805,
	title = {Artifact-Centric Activity Theory - A Framework for the Analysis of the Design and Use of Virtual Manipulatives},
	booktitle = {International Perspectives on Teaching and Learning Mathematics with Virtual Manipulatives},
	year = {2016},
	pages = {25-40},
	publisher = {Springer Verlag},
	organization = {Springer Verlag},
	address = {Heidelberg},
	author = {Ladel, Silke and Kortenkamp, Ulrich},
	editor = {Moyer-Packenham, Patricia}
}
@article {731,
	title = {An activity-approach to multi-touch tools in early maths learning},
	journal = {The International Journal for Technology in Mathematics Education},
	volume = {20},
	year = {2013},
	pages = {3-8},
	author = {Kortenkamp, Ulrich and Ladel, Silke}
}
@article {757,
	title = {An activity-theoretic approach to multi-touch tools in early maths learning},
	journal = {The International Journal for Technoloy in Mathematics Education},
	volume = {20},
	year = {2013},
	pages = {3-8},
	author = {Ladel, Silke and Kortenkamp, Ulrich}
}
@conference {718,
	title = {AK PriMaMedien: Lehren, Lernen und Forschen mit digitalen Medien im Mathematikunterricht der Primarstufe},
	booktitle = {Jahrestagung der Gesellschaft f{\"u}r Didaktik der Mathematik 2012},
	year = {2012},
	publisher = {WTM-Verlag},
	organization = {WTM-Verlag},
	address = {Weingarten},
	author = {Schreiber, Christof and Ladel, Silke}
}
@inbook {747,
	title = {Arbeitsgruppe "Neue Technologien im Mathematikunterricht der Grundschule" - neu: "Lernen, Lehren und Forschen mit Neuen Medien im Mathematikunterricht der Primarstufe"},
	booktitle = {Beitr{\"a}ge zum Mathematikunterricht 2010 - Beitr{\"a}ge zur 44. Jahrestagung der Gesellschaft f{\"u}r Didaktik der Mathematik vom 08.03 bis 12.03.2010 in M{\"u}nchen},
	year = {2010},
	pages = {961-964},
	publisher = {WTM-Verlag},
	organization = {WTM-Verlag},
	address = {M{\"u}nster},
	author = {Ladel, Silke and Schreiber, Christof},
	editor = {Lindmeier, Anke M. and Ufer, Stefan}
}
@article {737,
	title = {An academic experiment on the use of computers in elementary school math classrooms},
	journal = {ZDM Mathematics Education},
	volume = {38},
	year = {2006},
	month = {November},
	pages = {464-471},
	author = {Ladel, Silke}
}
