Conceptual Knowledge Falls through the Cracks: Complexities of Learning to Teach Mathematics for Understanding Resource Document R. Underhill, Hilda Borko, Margaret Eisenhart, C. Brown, D. Jones, and P. Agard January 1, 1993
Learning to Teach Hard Mathematics: Do Novice Teachers and Their Instructors Give Up Too Easily? Resource Document Hilda Borko, R. Underhill, C. Brown, Margaret Eisenhart, P. Agard, and D. Jones January 1, 1992
