Sabra, Mahmoud. “HEALTH EXPENDITURE, LIFE EXPECTANCY, FERTILITY RATE, CO2 EMISSIONS AND ECONOMIC GROWTH DO PUBLIC, PRIVATE AND EXTERNAL HEALTH EXPENDITURE MATTER”. International Journal of Economic Sciences 11, no. 2 (November 24, 2022): 179–191. Accessed January 22, 2025. https://ijes-journal.org/journal/article/view/45.