Heuvel-Panhuizen, M. v. d. (2001). Children learn mathematics: A learning-teaching trajectory with intermediate attainment targets for calculation with whole numbers in primary school. Freudenthal Institute, Utrecht University and National Institute for Curriculum Development (SLO).
Chicago-referens (17:e uppl.)Heuvel-Panhuizen, Marja van den. Children Learn Mathematics: A Learning-teaching Trajectory with Intermediate Attainment Targets for Calculation with Whole Numbers in Primary School. Netherlands: Freudenthal Institute, Utrecht University and National Institute for Curriculum Development (SLO), 2001.
MLA-referens (8:e uppl.)Heuvel-Panhuizen, Marja van den. Children Learn Mathematics: A Learning-teaching Trajectory with Intermediate Attainment Targets for Calculation with Whole Numbers in Primary School. Freudenthal Institute, Utrecht University and National Institute for Curriculum Development (SLO), 2001.