Moyib, Folake Ramat, Olugbemiga S Ojo, and Ibukun A. Ayodele. “Willingness to Pay for Ecotourism in Oyan Lake, Nigeria”. Almatourism - Journal of Tourism, Culture and Territorial Development 7, no. 13 (January 1, 2016): 95–106. Accessed December 5, 2021. https://almatourism.unibo.it/article/view/5987.