Oyarzun, B., & Conklin, S. (2021). Learning theories. In J. K. McDonald & R. E. West (Eds.), Design for learning: Principles, processes, and praxis.
EdTech Books. https://edtechbooks.org/id/learning_theories
Zhou, M., & Brown, D. (Eds.). (2017). Educational learning theories.
https://oer.galileo.usg.edu/cgi/viewcontent.cgi?article=1000&context=education-textbooks
This exceptional resource highlights many educational learning theories all in one place. This will be a great resource to understand learning theories further and all gathered with research in one place.