APA (7 वां संस्करण) प्रशस्ति पत्र

Díaz Sarmiento, M. d. C. Design of a didactic guide and other materials for teaching english in the tourism area at the University of Cuenca.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Díaz Sarmiento, Mercedes del Carmen. Design of a Didactic Guide and Other Materials for Teaching English in the Tourism Area at the University of Cuenca.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Díaz Sarmiento, Mercedes del Carmen. Design of a Didactic Guide and Other Materials for Teaching English in the Tourism Area at the University of Cuenca.

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