O12; O13; Q56
C93, J23, J24, M51, O33
I21 — Analysis of Education O33 — Technological Change: Choices and Consequences; Diffusion
K42, R31, I38, D63
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
I21, J24, O33
J24
I21, I28, C93, O15