GUTHRIE, Stewart Elliott. Opportunity, Challenge and a Definition of Religion. Journal for the Study of Religion, Nature and Culture, [S. l.], v. 1, n. 1, p. 58–67, 2007. DOI: 10.1558/jsrnc.v1i1.58. Disponível em: https://journal.equinoxpub.com/JSRNC/article/view/4903. Acesso em: 30 mar. 2025.