SAHAK, M. S. Demographic Influences and 21st Century Skills by Trainee Teachers for Mathematics subject during COVID-19 Pandemic: Pengaruh Demografi dan Amalan Kemahiran PAK-21 oleh Guru Pelatih bagi subjek Matematik semasa Pandemik COVID-19. Jurnal Pendidikan Sains dan Matematik Malaysia, [S. l.], v. 12, n. 1, p. 65–81, 2022. DOI: 10.37134/jpsmm.vol12.1.6.2022. Disponível em: https://ojs.upsi.edu.my/index.php/JPSMM/article/view/6426. Acesso em: 29 feb. 2024.