1.		An empirically-based review of the concept of environmental scanning / Jorge Costa Autor: Costa, Jorge
2.		Environmental scanning and the portuguese hotel sector / Jorge Costa, Rchard Teare Autor: Costa, Jorge Coautor: ; Teare, Richard
3.		Developing an environmental scanning process in the hotel sector / Jorge Costa, Richard Teare Autor: Costa, Jorge Coautor: ; Teare, Richard
4.		Perspectivas internacionais sobre o desenvolvimento do turismo / Jorge Costa Autor: Costa, Jorge
5.		Did the context of economic crisis affect the image of Portugal as a tourist destination? Strategic question overview / Jorge Costa; João Gomes; Mónica Montenegro Autor: Costa, Jorge Coautor: ; Gomes, João Montenegro, Mónica