Fretwell, D. (1993). Developing effective employment services. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFretwell, David. Developing Effective Employment Services. Washington, D.C: World Bank, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFretwell, David. Developing Effective Employment Services. World Bank, 1993.
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