Puttaswamaiah, K. (1980). Project evaluation criteria and cost -benefit analysis. Oxford I B H publishing company.
Chicago Stili AlıntıPuttaswamaiah, K. Project Evaluation Criteria and Cost -benefit Analysis. New Delhi: Oxford I B H publishing company, 1980.
MLA AlıntıPuttaswamaiah, K. Project Evaluation Criteria and Cost -benefit Analysis. Oxford I B H publishing company, 1980.
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