OBERLENDER, G. D. (1993). Project Management For Engineering And Construction Garold D. Oberlen. The McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOBERLENDER, Garold D. Project Management For Engineering And Construction Garold D. Oberlen. The McGraw-Hill, 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOBERLENDER, Garold D. Project Management For Engineering And Construction Garold D. Oberlen. The McGraw-Hill, 1993.
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