CLIFTON, D. S., & CLIFTON, D. S. Project Feasibility Analysis A Guide To Profitable New Ventures By David S. Clifton And David E. Fyffe. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)CLIFTON, David S., agus David S. CLIFTON. Project Feasibility Analysis A Guide To Profitable New Ventures By David S. Clifton And David E. Fyffe. John Wiley & Sons.
Lua MLA (8ú heag.)CLIFTON, David S., agus David S. CLIFTON. Project Feasibility Analysis A Guide To Profitable New Ventures By David S. Clifton And David E. Fyffe. John Wiley & Sons.
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