Turismo de Portugal

1. 

Evaluating tourist risks from fuzzy perspectives / Sheng-Hshiung Tsaur, Gwo-Hshiung Tzeng, Kuo-Ching Wang

Autor: Sheng-Hshiung, Tsaur Coautor: ; Gwo-Hshiung, Tzeng
Kuo-Ching, Wang

Analíticos  
2. 

Characteristics of professional scuba dive guides / Linda Andy, Re-Yang Lee, Gwo-Hshiung Tzeng

Autor: Andy, Linda Coautor: ; Re-Yang, Lee
Gwo-Hshiung, Tzeng

Analíticos