Using concept maps to assess change in teachers’ understandings of algebra: a respectful approach.Published in:Journal of Mathematics Teacher Education, 2007, v. 10, n. 1, p. 23, doi. 10.1007/s10857-007-9025-0By:Hough, Sarah;O'Rode, Nancy;Terman, Nancy;Weissglass, JulianPublication type:Article