Artha Mahira Syahwa, and Wiputra Cendana. “Improving Second-Grade Students’ Mathematics Learning Outcomes on Diagram Topics Through the Papan Tempel Data Media”. International Journal of Education, Vocational and Social Science , Vol. 5, no. 04, Oct. 2026, pp. 3271-84, doi:10.63922/ijevss.v5i04.6895.