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).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHeuvel-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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHeuvel-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.