Hamzah, N. H., M. K. M. Nasir, and J. A. Wahab. “The Effects of Principals’ Digital Leadership on Teachers’ Digital Teaching During the Covid-19 Pandemic in Malaysia”. Journal of Education and E-Learning Research, vol. 8, no. 2, May 2021, pp. 216-21, doi:10.20448/journal.509.2021.82.216.221.