Putri NTA, Sya MF. Strategi Guru dalam Mengatasi Kesulitan Operasi Perkalian Bilangan Bulat di Sekolah Dasar. karimahtauhid [Internet]. 2025 Aug. 8 [cited 2026 Jun. 8];4(8):5917-25. Available from: http://103.127.96.46/index.php/karimahtauhid/article/view/19007