APA (7 वां संस्करण) प्रशस्ति पत्र

Ramirez Leon, C. (2010). Characterization of the environment of the Industrial Design School of UPTC, a competitiveness tool. Universidad Pedagógica y Tecnológica de Colombia.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Ramirez Leon, Cecilia. Characterization of the Environment of the Industrial Design School of UPTC, a Competitiveness Tool. Universidad Pedagógica y Tecnológica de Colombia, 2010.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Ramirez Leon, Cecilia. Characterization of the Environment of the Industrial Design School of UPTC, a Competitiveness Tool. Universidad Pedagógica y Tecnológica de Colombia, 2010.

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