Loewenhagen, Kayla. "Butter Making Lab". OER Commons. Institute for the Study of Knowledge Management in Education, 19 Jun. 2018. Web. 29 Apr. 2024. <https://wlresources.dpi.wi.gov/authoring/601-butter-making-lab>.
Loewenhagen, K. (2018, June 19). Butter Making Lab. OER Commons. Retrieved April 29, 2024, from https://wlresources.dpi.wi.gov/authoring/601-butter-making-lab.