W. C. King, M. J. Jaafar, M. R. Haji Manaf, M. H. Isa, and I. M. Saiboon, “Effect of Movement Control Order to Emergency Department Visit in A Teaching University Hospital in Malaysia During COVID-19”, Int. J. Hum. Health Sci., vol. 6, no. 3, pp. 313–319, Jun. 2022.