Sahak MS. 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. JPSMM [Internet]. 2022 May 30 [cited 2024 Apr. 24];12(1):65-81. Available from: https://ejournal.upsi.edu.my/index.php/JPSMM/article/view/6426