H26, D91, I25, O12, C93
I24, I38, J13
O12; O13; Q56
C93, J23, J24, M51, O33
I21 — Analysis of Education O33 — Technological Change: Choices and Consequences; Diffusion
K42, R31, I38, D63
C90; C91; I21; J15; J16
J68, O17, O12, C93, D22, H41
O15, I24, I25
I21 – Analysis of Education: Education and Economic Development I28 – Education: Government Policy I31 – General Welfare, Well-Being