Larkin, Melissa. "Ecosystem Tic Tac Toe Board". OER Commons. Institute for the Study of Knowledge Management in Education, 16 Nov. 2019. Web. 07 Sep. 2024. <https://goopennc.oercommons.org/authoring/2441-ecosystem-tic-tac-toe-board>.
Larkin, M. (2019, November 16). Ecosystem Tic Tac Toe Board. OER Commons. Retrieved September 07, 2024, from https://goopennc.oercommons.org/authoring/2441-ecosystem-tic-tac-toe-board.