Learning trajectories and professional development / Paola Sztajn, P. Holt Wilson
The learning trajectory based instruction project / Paola Sztajn, Cyndi Edgington, P. Holt Wilson, Jared Webb, Marrielle Myers
The children's measurement project / Jeffrey E. Barrett, Megan H. Wickstrom, Jennifer M. Tobias, Craig J. Cullen, Amanda L. Cullen, Jae M. Baek
The responsive teaching in elementary mathematics project / Victoria R. Jacobs, Susan B. Empson, D'Anna Pynes, Amy Hewitt, Naomi Jessup, Gladys Krause
The building blocks and TRIAD projects / Julie Sarama
Design considerations for professional development involving learning trajectories / P. Holt Wilson, Paola Sztajn
Learning trajectories in mathematics professional development: A commentary / Hilda Borko