@proceedings {17120,
	title = {Rethinking Knowledge for Teaching Mathematics with Technology: Tensions, Extensions and Future Agenda},
	journal = {PME 49},
	year = {In Press},
	pages = {1-30},
	publisher = {IGPME},
	address = {Helsinky, Finland},
	author = {Rocha, H. and Faggiano, E. and Haspekian, M. and Tabach, M. and J. Trgalova and H-G. Weigand}
}
