found: Focus in high school mathematics. Technology to support reasoning and sense making, c2011:t.p. (Karen F. Hollebrands; North Carolina State University, Raleigh, N.C.)
found: Handbook of research on transforming mathematics teacher education in the digital age, 2016:ECIP t.p. (Karen Hollebrands) data view (b. August 31, 1967)
found: Online learning in mathematics education, 2021:page xix (Karen Hollebrands is professor at North Carolina State University and interim associate dean for Research and Innovation. She's a mathematics educator and editor of the Mathematics Teacher Education journal)