Erkki Pehkonen

Eric Packman · Erkki Pahkinen

title ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Beliefs: A Hidden Variable in Mathematics Education? 978-1-4020-1058-3
(1-4020-1058-3)
2003G.C. Leder · Günter Törner
Posing and Solving Mathematical Problems: Advances and New Perspectives
978-3-319-28021-9
(3-319-28021-X)
2016Patricio Felmer · Jeremy Kilpatrick

Erkki Pennanen