Ijen Tourism Cluster (ITC): Analisis Klaster Pengembangan Ekowisata Taman Wisata Alam Kawah Ijen. Inovasi, [S. l.], v. 18, n. 2, p. 179–188, 2021. DOI: 10.33626/inovasi.v18i2.339. Disponível em: https://jurnal.sumutprov.go.id/index.php/inovasi/article/view/339. Acesso em: 11 jan. 2026.