KURNIAWAN, chandra. EVEKTIVITAS ALAT PERAGA PUZZEL LIPAT PADA MATERI KUBUS . Jurnal Pendidikan Pemuda Nusantara, [S. l.], v. 4, n. 1, p. 18-22, 2022. DOI: 10.56335/jppn.v4i1.122. Disponível em: https://www.jurnal.stkipm-pagaralam.ac.id/index.php/jppn/article/view/122. Acesso em: 1 jul. 2025.