Diagnostik Kesulitan Belajar Matematika Siswa Kelas VII Pada Materi Operasi Aljabar di Madrasah Tsanawiyah. JIE [Internet]. 2023 Oct. 31 [cited 2025 Nov. 21];6(2):109-20. Available from: https://ejournal.unaja.ac.id/index.php/JIE/article/view/900