KITCHEN, J. W.; HUTCHISON, P. D. An Analysis of Recreation Expenditures by U.S. Consumers, 1939-1988. Texas Journal of Agriculture and Natural Resources, [S. l.], v. 4, p. 47–49, 2016. Disponível em: https://txjanr.agintexas.org/index.php/txjanr/article/view/347. Acesso em: 1 may. 2024.