@inbook{d413da57a9bf4f5a9c92ccbc2e3d680e,
title = "Symbolizing, Modeling, and Instructional Design",
keywords = "Wiskunde en Informatica (WIIN), Mathematics, Landbouwwetenschappen, Natuurwetenschappen, Wiskunde: algemeen",
author = "K.P.E. Gravemeijer and P. Cobb and J. Bowers and J. Whitenack",
year = "2000",
language = "Undefined/Unknown",
publisher = "Lawrence Erlbaum Associates",
pages = "225--273",
editor = "P. Cobb and E. Yackel and K. McClain",
booktitle = "Communicating and symbolizing in mathematics: Perspectives on discourse, tools, and instructional design",
}