Não informado. (2001). New Directions for Program Evaluation. Jossey-Bass.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. New Directions for Program Evaluation. San Francisco, Calif: Jossey-Bass, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. New Directions for Program Evaluation. Jossey-Bass, 2001.
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