VLASSIS, Joëlle ; University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) > Educational Measurement and Applied Cognitive Science (EMACS)
Language :
English
Title :
About the flexibility of the minus sign in solving equations
Publication date :
2002
Event name :
26th International conferecne for the Psychology of M athematics Education (PME 26)
Event date :
2002
Audience :
International
Main work title :
Proceedings of the 26th International conferecne for the Psychology of M athematics Education (PME 26)
