WAHYUDI, H.; ARDIANTO, E. Analisis Eksternalitas Positif “Wisata Alam 21”. Jurnal Studi Perhotelan dan Pariwisata, [S. l.], v. 1, n. 1, p. 1–10, 2022. DOI: 10.35912/jspp.v1i1.1415. Disponível em: http://penerbitgoodwood.com/index.php/jspp/article/view/1415. Acesso em: 29 aug. 2025.