van Hover, Stephanie, and Elizabeth Yeager. “‘I WANT TO USE MY SUBJECT MATTER TO. ’: THE ROLE OF PURPOSE IN ONE U.S. SECONDARY HISTORY TEACHER’S INSTRUCTIONAL DECISION MAKING”. Canadian Journal of Education Revue Canadienne De l’éducation, vol. 30, no. 3, Sept. 2007, p. 670‐690, https://journals.sfu.ca/cje/index.php/cje-rce/article/view/2970.