PURWANI, Tri; IRFAN, Muhammad. Economic Value of Bukittinggi City Regional Public Library: Travel Cost Approach and Contingency Valuation. Journal of Economic Education and Entrepreneurship Studies, [S. l.], v. 7, n. 5, p. 287–302, 2026. DOI: 10.62794/je3s.v7i5.611. Disponível em: https://journal.feb-unm.com/index.php/JE3S/article/view/611. Acesso em: 29 oct. 2026.