@inbook{0de11b3c0b23430094f43e5b9ca3d610,
title = "Rethinking algebra teaching in the light of 'orchestration of signs'- Exploring the 'equal sign' in an Norwegian mathematics classroom.",
author = "B. Pepin and O.K. Bergem and K. Klette",
year = "2014",
doi = "10.1007/978-94-6209-707-0",
language = "English",
isbn = "978-94-6209-707-0",
series = "Learner's perspective study",
publisher = "Sense Publishers",
pages = "39--57",
editor = "F.K.S. Leung and K. Park and D. Holton and D. Clarke",
booktitle = "Algebra Teaching around the World",
}