1. Abdullateef U, Adebayo MO (2011) Socio-economic impact of malaria epidemics on households in Nigeria: micro-evidence from Kwara state. Int J Asian Social Sci 1(5):188–196
2. Akinci F, Hamidi S, Suvankulov AA (2014) Examining the impact of health care expenditures on health outcomes in the Middle East and North Africa (MENA) region. J Health Care Finance 41(1). https://healthfinancejournal.com/index.php/johcf/article/view/6
3. Alma OG (2011) Comparison of robust regression methods in linear regression. Int J Contemp Math Sci 6(9):409–421
4. Anwar M (2015) Data health Assurance in Social and Behavioral Sciences Research. Eur Online J Nat Social Sci 4(4):725–736
5. Arthur E, Oaikhenan HE (2017) The effects of health expenditure on health outcomes in Sub-Saharan Africa (SSA). Afr Dev Rev 29(3):524–536