1.

図書

図書
Centre for Educational Research and Innovation ; [co-authored by Tom Healy and Sylvain Côté ; with significant input from John F. Helliwell, Simon Field and many other colleagues within the OECD Secretariat]
出版情報: Paris : Organisation for Economic Co-operation and Development, c2001
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2.

図書

図書
by members of the Programme in Natural Resource Economics (PNRE) at the University of British Columbia ; edited by Anthony Scott ; with the assistance of John Helliwell, Tracy Lewis, and Philip Neher
出版情報: Oxford : Clarendon Press, 1985
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