@inbook{45997b1e6cb746249365ae06cf3c5889,
title = "Methods for Studying Mathematics Teaching and Learning Internationally",
author = "Niss, {Mogens Allan} and Jonas Emanuelsson and Peter Nystr{\"o}m",
year = "2013",
language = "English",
isbn = "978-1-4614-4683-5",
series = "Springer International Handbooks of Education Series",
publisher = "Springer",
pages = "975--1008",
editor = "M.A.(Ken) Clements and Bishop, {Alan J.} and Christine Keitel and Jeremy Kilpatrick and Leung, {Frederick K.S.}",
booktitle = "Third International Handbook of Mathematics Education",
}