QOMARA, D. A. Enhancing Three-Digit Addition Skills Using PHIBAR Media in Fourth-Grade Students at SDN Dukuh Kupang 1 Surabaya. The Elementary Journal, [S. l.], v. 3, n. 1, 2025. DOI: 10.56404/tej.v3i1.122. Disponível em: https://jurnal.gerakanedukasi.com/index.php/TEJ/article/view/122. Acesso em: 21 dec. 2025.