Organisation for Economic Co-operation and Development & ProQuest (Firm). (2006). Innovation and knowledge-intensive service activities. Organisation for Economic Co-operation and Development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOrganisation for Economic Co-operation and Development और ProQuest (Firm). Innovation and Knowledge-intensive Service Activities. Paris: Organisation for Economic Co-operation and Development, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOrganisation for Economic Co-operation and Development और ProQuest (Firm). Innovation and Knowledge-intensive Service Activities. Organisation for Economic Co-operation and Development, 2006.
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