Nikzadian A, Agheli L, Assari Arani A, Sadeghi H. The Effects of Resource Rent, Human Capital and Government Effectiveness on Government Health Expenditure in Organization of the Petroleum Exporting Countries. IJEEP [Internet]. 2019 Feb. 14 [cited 2024 Dec. 23];9(2):381-9. Available from: https://mail.econjournals.com/index.php/ijeep/article/view/7575