López, B. H., Acle Mena, R. S., & Paredes Solorio, R. (2012). Evaluation of resources for the exploitation of the nature tourism in the state protected area of "Sierra del Tentzo" in Puebla, Mexico. Universidad Pedagógica y Tecnológica de Colombia.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)López, Beatriz Herrera, Ramón S. Acle Mena, ба Ricardo Paredes Solorio. Evaluation of Resources for the Exploitation of the Nature Tourism in the State Protected Area of "Sierra Del Tentzo" in Puebla, Mexico. Universidad Pedagógica y Tecnológica de Colombia, 2012.
MLA -ийн эшлэл (9 дэх хэвлэлт)López, Beatriz Herrera, et al. Evaluation of Resources for the Exploitation of the Nature Tourism in the State Protected Area of "Sierra Del Tentzo" in Puebla, Mexico. Universidad Pedagógica y Tecnológica de Colombia, 2012.
