By Greenberg M.   Frisch M.   Solitare L.   Lowrie K.   in Evaluation and Program Planning

ISSN:0149-7189|23|2|255-265

Elsevier‎(2000)‎

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By Frisch M.   Solitare L.   Greenberg M.   Lowrie K.   in Journal of Environmental Management

ISSN:0301-4797|54|1|23-37

Academic Press‎(1998)‎

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