FREDY, Fredy; SOENARTO, Sunaryo. PENGEMBANGAN MULTIMEDIA PEMBELAJARAN MATEMATIKA PADA MATERI BILANGAN BULAT KELAS IV SDN LEMPUYANGAN I YOGYAKARTA. Jurnal Prima Edukasia, [S. l.], v. 1, n. 2, p. 162–172, 2013. DOI: 10.21831/jpe.v1i2.2633. Disponível em: https://journal.uny.ac.id/index.php/jpe/article/view/2633. Acesso em: 7 may. 2025.