PUDEN, R. [RETRACTED ARTICLE] Analysis of Consumers’ Willingness to Pay for Triathlon Products. Rattanakosin Journal of Social Sciences and Humanities, [S. l.], v. 5, n. 3, p. 54–72, 2023. Disponível em: https://so05.tci-thaijo.org/index.php/RJSH/article/view/269989. Acesso em: 1 oct. 2026.