Gavilanes Valle, J. E. (2015). Guidelines for the design of tourist training plans: The case of General VIllamil Playas.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGavilanes Valle, Julio Enrique. Guidelines for the Design of Tourist Training Plans: The Case of General VIllamil Playas. 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGavilanes Valle, Julio Enrique. Guidelines for the Design of Tourist Training Plans: The Case of General VIllamil Playas. 2015.
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