Dwi Ardy Dermawan, Ekki Wahyuni Lubis, and Fadhila Rahma. “Pembelajaran Matematika Topik Pembuktian Teorema Pythagoras Berbasis Media Visual”. PEMA 5, no. 1 (February 10, 2025): 137–144. Accessed March 6, 2025. http://jurnal.permapendis-sumut.org/index.php/pema/article/view/778.