Febrianti NE, Istianah F. Peningkatan Pemahaman Penjumlahan dan Pengurangan Bersusun melalui Media Pajar Jurang. Journal of Contemporary Issues in Primary Education [Internet]. 2025 Dec. 1 [cited 2026 Feb. 2];3(2):94-101. Available from: https://kurniajurnal.com/index.php/jcipe/article/view/485