MAKING MATHEMATICS LEARNING MEDIA "BAKU UNIT BOARD" IN CLASS II MI SALAFIYAH SANTREN BANGILAN TUBAN. JCEE [Internet]. 2023 May 5 [cited 2026 Apr. 25];1(1):41-7. Available from: https://journal.uaindonesia.ac.id/index.php/jcee/article/view/492