Evaluation of resources for the exploitation of the nature tourism in the state protected area of "Sierra del Tentzo" in Puebla, Mexico 由 López, Beatriz Herrera, Acle Mena, Ramón S., Paredes Solorio, Ricardo

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Nature conservation on private land: Natural Reserves of Civil Society in Valle del Cauca 由 Quintero López, Melissa, Arias Arbeláez, Fabio Alberto

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