J.G.M. Hilhorst (Hilhorst, J.G.M. / J. G. M. Hilhorst / Hilhorst, J. G. M.)

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  Problems in Three New Land Settlements in Andean Countries
  by J.G.M. Hilhorst, Eduardo Durand Lopez-Hurtado
  Hardcover, Institute of Social Studies, ISBN 9064900272 (90-6490-027-2)
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  Regional Planning: A Systems Approach
  by J. G. M. Hilhorst
  Softcover, Ashgate Publishing, Limited, ISBN 0566050447 (0-566-05044-7)
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  Social Development in the Third World: Level of Living Indicators and Social Planning
  by J.G.M. Hilhorst, M. Klatter
  Hardcover, Routledge, ISBN 070993730X (0-7099-3730-X)