Johnson, Kristin et al. "Learning Centers Suggested Materials". OER Commons. Institute for the Study of Knowledge Management in Education, 12 Jul. 2018. Web. 26 Nov. 2020. <https://www.oercommons.org/authoring/46592-learning-centers-suggested-materials>.
Johnson, K., Admin, M., Helmstetter, C., Toms, A., & Wagner, B. (2018, July 12). Learning Centers Suggested Materials. OER Commons. Retrieved November 26, 2020, from https://www.oercommons.org/authoring/46592-learning-centers-suggested-materials.