DARWANTO, D. HARD SKILLS MATEMATIK SISWA: PENGERTIAN DAN INDIKATORNYA. Eksponen, [S. l.], v. 9, n. 1, p. 21–27, 2019. DOI: 10.47637/eksponen.v9i1.129. Disponível em: https://jurnal.umko.ac.id/index.php/eksponen/article/view/129. Acesso em: 3 jul. 2024.