Mulyawati I, Sarwinda W. IbM Workshop Metode Matematika Gasing Bagi Guru SD Muhammadiyah Se Jakarta Timur. JPMMP [Internet]. 2021 Jan. 8 [cited 2025 May 10];4(2):79-85. Available from: https://journal.uny.ac.id/index.php/jpmmp/article/view/37495