Gamas, Kylie. "North Dakota Mathematics Standards". OER Commons. Institute for the Study of Knowledge Management in Education, 21 Mar. 2018. Web. 24 Nov. 2024. <https://oercommons.org/authoring/27719-north-dakota-mathematics-standards>.
Gamas, K. (2018, March 21). North Dakota Mathematics Standards. OER Commons. Retrieved November 24, 2024, from https://oercommons.org/authoring/27719-north-dakota-mathematics-standards.