Administrator, STEMToolkit. "Catapult Challenge". OER Commons. Institute for the Study of Knowledge Management in Education, 16 Jun. 2021. Web. 18 May 2024. <https://oercommons.org/authoring/61514-catapult-challenge>.
Administrator, S. (2021, June 16). Catapult Challenge. OER Commons. Retrieved May 18, 2024, from https://oercommons.org/authoring/61514-catapult-challenge.