Agenda 21 for the travel &= e tourism industry : towards environmentally sustainable development / Ed. lit. Geoffrey H. Lipman, Antonio Enríquez Savignac, Maurice F. Strong

Agenda 21 for the travel &= e tourism industry : towards environmentally sustainable development / Ed. lit. Geoffrey H. Lipman, Antonio Enríquez Savignac, Maurice F. Strong . - London : WTTC, [19??] . - 78 p. : il. 29 cm . - Contém referências bibliográficas e índice Turismo
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