Annotated Bibliography:
Klang, N., Karlsson, N., Kilborn, W., Eriksson, P., & Karlberg, M. (2021). Mathematical problem-solving through cooperative learning—The importance of peer acceptance and friendships. In Frontiers in Education, 6, 324. https://doi.org/10.3389/feduc.2021.710296
Klerlein, J., & Hervey, S. (2019). Mathematics as a complex problem-solving activity: Promoting students’ thinking through problem-solving. Generation Ready White Paper. Retrieved from https://www.generationready.com/wp-content/uploads/2020/12/Mathematics-as-a-Complex-Problem-Solving-Activity.pdf