K. L. Yong, N. Mohd Zaid, N. H. Abd. Wahid, Z. Mohamad Ashari, N. Suhairom, and M. N. H. Mohamad Said, “Challenges in Emergency Remote Teaching Among Malaysian Public Elementary School Teachers”, Int. J. Emerg. Technol. Learn., vol. 16, no. 24, pp. pp. 74–90, Dec. 2021.