Adugna, Mideksa, et al. “Costs of Major Mental Illnesses and Determinants of Cost to the Public Health Service Provider in Ethiopia”. Ethiopian Journal of Public Health and Nutrition (EJPHN), vol. 2, no. 2, Nov. 2018, pp. 105-8, https://ejphn.ephi.gov.et/index.php/ejphn/article/view/121.