C21, C90, C92, D64, D91, I00, I12.
I12, D90
D8, D83, D91, I1, I12, I15, O1
I12- Health - Health Behavior; O15-Economic Development - Human Resources
D90, D91, I12, M38
C78, O33, C93, J16, I12
D81, D83, I12
F35-Foreign Aid, C93-Field Experiments, F22-International Migration I15-Health and Economic Development, F52-National Security, Economic Nationalism
D01; D91; H12; H75; I12; I18
C93, I12, J16, O15