Putri, Nuryani, Nita Priyanti, and Chandra Apriyansyah. “Development Of Pugo Learning Media To Improve Early Childhood Cognitive Skills In Geometry Concepts”. Journal of Scientific Research, Education, and Technology (JSRET) 5, no. 1 (March 19, 2026): 908–917. Accessed June 21, 2026. https://jsret.knpub.com/index.php/jrest/article/view/1070.