The Gravity Model of Indonesian Tourism Trade and Investment. ETIKONOMI, [S. l.], v. 22, n. 1, p. 143–154, 2023. DOI: 10.15408/etk.v22i1.25222. Disponível em: https://journal.uinjkt.ac.id/etikonomi/article/view/25222. Acesso em: 19 nov. 2025.