Dewi, Pinta, and Ahmad Yani. “Efforts to Improve Students’ Understanding of Addition and Subtraction Operations through Demonstration Method in Mathematics Subject”. Panicgogy International Journal 2, no. 1 (March 21, 2024): 9–21. Accessed March 20, 2026. https://demo.aljibra.or.id/index.php/pij/article/view/81.