Wibowo Soeharto, M. A. (2012). A study of contractor's procurement performance case: PT. Waskita Karya (Persero), Indonesia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWibowo Soeharto, Mochamad Anugrah. A Study of Contractor's Procurement Performance Case: PT. Waskita Karya (Persero), Indonesia. 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWibowo Soeharto, Mochamad Anugrah. A Study of Contractor's Procurement Performance Case: PT. Waskita Karya (Persero), Indonesia. 2012.
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