I24, I25, I26, D10
I25, O15, C93, J16, O12
I21 Analysis of Educational, I25 Education and Economic Development, I28 Government Policy
I21 Analysis of Educational, I25 Education and Economic Development, I28 Government Policy
I12; I18; D83; C93; D85
I25, O15, O33
I21 (Evaluation of Education), I25 (Education and Economic Development)
D91, I15, I25, O12, O15
K42; I25; J24; O54
and Knowledge; Communication; Belief; Unawareness), L81 (Retail and Wholesale Trade; e-Commerce), L86 (Information Goods and Services, Internet Content)