Koellner, Karen books & textbook
Mathematics Professional Development: Improving Teaching Using the Problem-Solving Cycle and Leadership Preparation Models (the series on school reform)
Borko, Hilda Jacobs, Jennifer Koellner, Karen Swackhamer, Lyn E.
Teachers College Press /2015-04-15 Paperback / 160 Pages
isbn-10: 0807756555 / isbn-13: 9780807756553
Supporting the Transition from Arithmetic to Algebraic Reasoning [Mathematical Thinking and Learning, An International Journal, Volume 9, No. 3]
Lawrence Erlbaum Associates / Taylor & Francis, Philadelphia /2007T Paperback
isbn-10: 0805892966 / isbn-13: 9780805892963
