Sari MK, Miyono N, Wuryandini E, Murti TSD. Analisis Kesulitan Belajar Operasi Hitung Perkalian Bersusun Siswa Kelas IV SD Negeri Sampangan 02 Kota Semarang. jiip [Internet]. 2023Jul.1 [cited 2025Aug.4];6(7):4914-9. Available from: http://jiip.stkipyapisdompu.ac.id/jiip/index.php/JIIP/article/view/2369