Gonzalez, Michelle R. “Bridging Research and Practice: Investigating the Impact of Universally Designed STEM Curriculum on the Concept Acquisition of At-Risk Preschoolers”. International Journal of Learning, Teaching and Educational Research 15, no. 8 (July 30, 2016): 65–78. Accessed April 20, 2026. http://www.ijlter.net/index.php/ijlter/article/view/906.