Baldoni, M. / 2011 / Constraint modeling for curriculum planning and validation / Interactive Learning Environments 19 (1) : 81 ~ 123 Buczynski, S. / 2010 / Impact of professional development on teacher practice : Uncovering connections / Teaching and TeacherEducation : AnInternational Journal of Researcha Charalambous, C. Y. / 2012 / Teacherknowledge, curriculum materials, and quality of instruction : Lessons learned and open issues / Journal of Curriculum Studies 44 (4) : 55 Charalambous, C. Y. / 2012 / Twonegatives don't always make a positive : Exploring how limitations in teacher knowledge and the curriculum contribute to instructional qualit Dieker, L. A. / 2003 / Co-Teaching at the secondary level : Unique issues, currenttrends, and suggestions for success / High School Journal 86 (4) : 1 ~ 13