Reyna, J., J. Hanham, P. Vlachopoulos, and P. Meier. “Using Factor Analysis to Validate a Questionnaire to Explore Self-Regulation in Learner-Generated Digital Media (LGDM) Assignments in Science Education”. Australasian Journal of Educational Technology, vol. 35, no. 5, May 2019, pp. 128-52, doi:10.14742/ajet.4514.