Use of Structural Equation Modeling in Ecotourism: A Model Proposal. Periodicals of Engineering and Natural Sciences, [S. l.], v. 5, n. 2, 2017. DOI: 10.21533/pen.v5.i2.1768. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/1768. Acesso em: 2 aug. 2026.