Huaman A, Valverde Flores J. Contingent economic valuation of hill Amancaes – Bella Durmiente to promote its conservation, Independencia – Lima. J. energy environ. sci. [Internet]. 2017 Oct. 3 [cited 2026 Jul. 2];1(1):10-6. Available from: https://journals.cincader.org/index.php/eesj/article/view/29