HUAMAN, A. .; VALVERDE FLORES, J. Contingent economic valuation of hill Amancaes – Bella Durmiente to promote its conservation, Independencia – Lima. Journal of Energy & Environmental Sciences, [S. l.], v. 1, n. 1, p. 10–16, 2017. Disponível em: https://www.journals.cincader.org/index.php/eesj/article/view/29. Acesso em: 20 apr. 2026.