Hikmayana, Dian, and Yuli Umroatin. “Improving Poster Making Skills Through a Project Based Learning Approach in Students”. BELANTARA: Journal of Theory and Practice in Primary Education 1, no. 2 (July 1, 2026): 132–148. Accessed July 6, 2026. https://journal.agrapanamedia.org/index.php/belantara/article/view/137.