INFORMATION:.. & PSACHAROPOULOS, G. (1980). Information: An essential factor in educational planning and policy. UNESCO.
Citace podle Chicago (17th ed.)INFORMATION:.. a George PSACHAROPOULOS. Information: An Essential Factor in Educational Planning and Policy. Paris: UNESCO, 1980.
Citace podle MLA (9th ed.)INFORMATION:.. a George PSACHAROPOULOS. Information: An Essential Factor in Educational Planning and Policy. UNESCO, 1980.
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