Adistira, Lalu Gede Agung Krisna Darma, Husniati, and Ilham Syahrul Jiwandono. 2022. “Analisis Kesulitan Belajar Matematika Materi Perkalian”. Journal of Classroom Action Research 4 (4). https://doi.org/10.29303/jcar.v4i4.2398.