DEVELOPMENT OF COUNTING CARD MEDIA ON ADDITION AND SUBTRACTION MATERIALS FOR GRADE 1 THEME 1 MYSELF SUB-THEME 1. Journal of Global Innovations in Primary Teacher Education, [S. l.], v. 1, n. 1, p. 30–41, 2026. Disponível em: https://jurnal.educatech.id/index.php/jgipte/article/view/64.. Acesso em: 7 jun. 2026.