MIDDLETON, J. Et Al. A Longitudinal Study of the Development of Rational Number Concepts and Strategies in the Middle Grades. 2015. In Large Scale Studies in Mathematics Education , SPRINGER INTERNATIONAL PUBLISHING SWITZERLAND, 265-289.

MIDDLETON, J., HELDING, B., Megowan Romanowicz, C., YANG, Y., YANIK, H. B., KIM, A., ... ÖKSÜZ, C.(2015). A Longitudinal Study of the Development of Rational Number Concepts and Strategies in the Middle Grades. Large Scale Studies in Mathematics Education (pp.265-289), SPRINGER INTERNATIONAL PUBLISHING SWITZERLAND.

MIDDLETON, JAMES Et Al. "A Longitudinal Study of the Development of Rational Number Concepts and Strategies in the Middle Grades." In Large Scale Studies in Mathematics Education , 265-289. SPRINGER INTERNATIONAL PUBLISHING SWITZERLAND, 2015

MIDDLETON, JAMES Et Al. "A Longitudinal Study of the Development of Rational Number Concepts and Strategies in the Middle Grades." Large Scale Studies in Mathematics Education , SPRINGER INTERNATIONAL PUBLISHING SWITZERLAND, 2015, pp.265-289.

MIDDLETON, J. Et Al. (2015) "A Longitudinal Study of the Development of Rational Number Concepts and Strategies in the Middle Grades", Large Scale Studies in Mathematics Education . SPRINGER INTERNATIONAL PUBLISHING SWITZERLAND.

@bookchapter{bookchapter, author ={JAMES MIDDLETON Et Al. }, chaptertitle={A Longitudinal Study of the Development of Rational Number Concepts and Strategies in the Middle Grades}, booktitle={ Large Scale Studies in Mathematics Education}, publisher={SPRINGER INTERNATIONAL PUBLISHING SWITZERLAND}, city={},year={2015} }