Risdiyanti, Irma, and Rully Charitas Indra Prahmana. “The Learning Trajectory of Number Pattern Learning Using Barathayudha War Stories and Uno Stacko”. Journal on Mathematics Education 11, no. 1 (January 2, 2020): 157–166. Accessed July 11, 2025. https://jme.ejournal.unsri.ac.id/index.php/jme/article/view/3815.