Barcenilla, Cristina Arranz, Sara Gutiérrez González, María Consuelo Saiz Manzanares, Lourdes Alameda Cuenca-Romero, and Sarah Vandekerkhof. “Assessment of Learning about Sustainability in Students With Down Syndrome”. International Journal of Learning, Teaching and Educational Research 22, no. 10 (October 30, 2023): 79–92. Accessed June 7, 2026. https://www.ijlter.myres.net/index.php/ijlter/article/view/1766.