@conference {934,
	title = {Electronic Proofs in Mathematics Education - A South African Teacher Professional Development (TPD) course informing the conceptualisation of an E-proof System Authoring Support Workshop},
	booktitle = {IST-Africa 2017 Conference Proceedings},
	year = {2017},
	author = {Platz, Melanie and Krieger, M and Winter, K and Niehaus, Engelbert}
}
