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3John W W Lawson , 1999, The Search For A Valuation Theory ''The time for a tested and adopted valuation theory has arrived'' Michael R Milgrim PhD,IVSC Lead Editor, Jan. 2001, International Valuation Standards for Global Property Markets, delivered at the
4Ratcliff, Richard U, 1972, Valuation for Real Estate Decisions page ix The Forward, Democrat Press.
5Submission on Issues Paper: The Review of Asset Valuation Methodologies Orion Sub IP 10 - 6 - 02New Zealand 10 June 2002.
6Keith Spence, Hons. B. Sc., MBA, 2000, An Overview of Valuation Practices and the Development of a Canadian Code for the Valuation of Mineral Properties Export Development Corporation .
7Wendt Paul F, Professor of Real Estate and Urban Development, publications include Real Estate Appraisal, Housing Policy, The search for Solutions,Real Estate Investment Analysis and Taxation.
8Fanning S F, Grissom T V, & Pearson T D, 1994,Market Analysis for Valuation Appraisals, Appraisal Institute.
9Pablo Fernandez 2002 1 Company Valuation Methods The Most Commen Errors In Valuations University of Navarra, Spain.