1.
Saputro HB, Hidayati AN. The effect of using korong calculating media on problem solving ability in calculating operations of multiple class II students of SD Muhammadiyah Klepu. J. Math Educ. Nusant. Wahana Publ. Karya Tulis Ilm. di Bid. Pendidik. Mat. [Internet]. 2024 May 31 [cited 2024 Dec. 22];10(1):41-54. Available from: https://ojs.unpkediri.ac.id/index.php/matematika/article/view/20783