Teaching Soft Skills and Basic Mathematical Operations to SDN Kedungmlati Students Using the PERIODIK Teaching Aid. MITRA: Jurnal Pemberdayaan Masyarakat, [S. l.], v. 6, n. 1, p. 84–95, 2022. DOI: 10.25170/mitra.v6i1.3169. Disponível em: https://ejournal.atmajaya.ac.id/index.php/mitra/article/view/3169. Acesso em: 4 apr. 2025.