International Geographic Union Study Group Meeting,
Sustainable tourism
Sustainable tourism;
/ International Geographic Union Study Group Meeting ; coord. Jorge Umbelino.
- Lisboa : Centro de Estudos de Geografia e Planeamento Regional, 2000.
- 303, [1] p. : il. ; 23 cm.
- (Série estudos : 3))
9729830916 (brochado)
CDU 061.3CDU 338.48