MOYIB, F. R.; OJO, O. S.; AYODELE, I. A. Willingness to pay for Ecotourism in Oyan Lake, Nigeria. Almatourism - Journal of Tourism, Culture and Territorial Development, [S. l.], v. 7, n. 13, p. 95–106, 2016. DOI: 10.6092/issn.2036-5195/5987. Disponível em: https://almatourism.unibo.it/article/view/5987. Acesso em: 5 dec. 2021.