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Dyfyniad Arddull ChicagoOrganisation for Economic Co-operation and Development. Changing Priorities for Government R&D: An Experimental Study of Trends in the Objectives of Government R & D Funding in 12 OECD Member Countries 1961-1972. Paris: Organisation for Economic Co-operation and Development, 1975.
Dyfyniad MLAOrganisation for Economic Co-operation and Development. Changing Priorities for Government R&D: An Experimental Study of Trends in the Objectives of Government R & D Funding in 12 OECD Member Countries 1961-1972. Paris: Organisation for Economic Co-operation and Development, 1975.