1.		Plan de estrategia y competitividad turística para los clusters de Tuxtla Gutiérrez, San Cristóbal de las Casas, Palenque, Comitán de Domínguez y Chiapa de Corzo / Organización Mundial del Turismo Col.autor: OMT
2.		Measuring visitor expenditure for inbound tourism : International experience. Model border survey: WTO proposal / World Tourism Organization Data Publicação: 2003 Col.autor: OMT
3.		Le marché espagnol de l'écotourisme / Organisation Mondiale du Tourisme Data Publicação: 2002 Col.autor: OMT
4.		Seminar on tourism statistics in the countries of central and eastern Europe, Prague, 28-30 Jan. 1992 / org. World Tourism Organization Data Publicação: 1992 Col.autor: Seminar on tourism statistics in the countries of central and eastern Europe. 1992 Co col. autor sec.: OMT