Perveen, A., H. Hamzah, A. Othamn, and F. Ramlee. “Prevalence of Anxiety, Stress, Depression Among Malaysian Adults During COVID-19 Pandemic Movement Control Order”. Indian Journal of Community Health, Vol. 32, no. 3, Sept. 2020, pp. 579 -81, doi:10.47203/IJCH.2020.v32i03.020.