Kusumastutik, Novi, and Azizatul Alif Syafriza. “Pengaruh Alat Peraga Matematika Materi Bangun Datar Terhadap Hasil Belajar Siswa Kelas IV Di SD NU SLEMAN”. Journal of Primary Education 1, no. 01 (June 13, 2023). Accessed September 8, 2024. https://journal.unu-jogja.ac.id/pgsd/index.php/primer/article/view/8.