Vonk Guido, Schot Paul, Geertman Stan, & SAGE Publications Inc. A SWOT analysis of planning support systems.
Lua i Stíl Chicago (17ú heag.)Vonk Guido, Schot Paul, Geertman Stan, agus SAGE Publications Inc. A SWOT Analysis of Planning Support Systems.
Lua MLA (9ú heag.)Vonk Guido, et al. A SWOT Analysis of Planning Support Systems.
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