Chiriboga Cisneros , E. F., C. R. Campi, F. Mora, M. Pérez, and J. Hidalgo. “Economic Assessment of Touristic Resources- Case Study: National Recreation Area Santay Island (NRASI)”. E-Review of Tourism Research, vol. 19, no. 1, Oct. 2022, pp. 97-133, https://ertr-ojs-tamu.tdl.org/ertr/article/view/664.