Piispanen, Maarika, and Merja Meriläinen. “The Art-Based Methods in Developing Transversal Competence”. International Electronic Journal of Elementary Education 12, no. 1 (October 6, 2019): 87–92. Accessed August 4, 2026. https://www.iejee.com/index.php/IEJEE/article/view/830.