Verhulst, Ginger. "Designing the Fall Line". OER Commons. Institute for the Study of Knowledge Management in Education, 01 Aug. 2019. Web. 26 Apr. 2024. <https://wlresources.dpi.wi.gov/authoring/1677-designing-the-fall-line>.
Verhulst, G. (2019, August 01). Designing the Fall Line. OER Commons. Retrieved April 26, 2024, from https://wlresources.dpi.wi.gov/authoring/1677-designing-the-fall-line.