Akintunde, T., and M. Adagunodo. “An Empirical Analysis of Globalization, Oil Receipts and Health Expenditure in Nigeria”. Journal of Economic Research & Business Administration 133, no. 3 (September 28, 2020): 120–129. Accessed December 22, 2024. https://be.kaznu.kz/index.php/math/article/view/2232.