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Aspects of training in economic development : papers and proceedings of the first meeting of directors of training institutes in the field of economic development, The Hague, 11th-14th September 1961 / [contrib. by J. Ahumada...et al.].
- Organisation for Economic Co-Operation and Development,
- 1962.
- Paris :
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Policy conference on economic growth and investment in education : Washington, 16th-20th October, 1961
- Organisation for Economic Co-Operation and Development,
- 1962.
- Paris :