Vonk Guido, Schot Paul, Geertman Stan, & SAGE Publications Inc. A SWOT analysis of planning support systems.
Čikaški stil citiranja (17. izdanje)Vonk Guido, Schot Paul, Geertman Stan, i SAGE Publications Inc. A SWOT Analysis of Planning Support Systems.
MLA način citiranja (9. izdanje)Vonk Guido, et al. A SWOT Analysis of Planning Support Systems.
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