Mobile computer science principles: a professional development sampler for teachers (abstract only). - Ralph A. Morelli; David Wolber; Jennifer Rosato; Chinma Uche; Pauline Lake (SIGCSE, 2014)

Analyzing Year One of a CS Principles PD Project. - Ralph A. Morelli; Chinma Uche; Pauline Lake; Lawrence Baldwin (SIGCSE, 2015)