Gamas, Kylie. "North Dakota Social Studies Standards". OER Commons. Institute for the Study of Knowledge Management in Education, 21 Mar. 2018. Web. 22 Nov. 2024. <https://oercommons.org/authoring/27730-north-dakota-social-studies-standards>.
Gamas, K. (2018, March 21). North Dakota Social Studies Standards. OER Commons. Retrieved November 22, 2024, from https://oercommons.org/authoring/27730-north-dakota-social-studies-standards.