Wibowo, J.M. 2021. Ijen Tourism Cluster (ITC): Analisis Klaster Pengembangan Ekowisata Taman Wisata Alam Kawah Ijen. Inovasi. 18, 2 (Oct. 2021), 179–188. DOI:https://doi.org/10.33626/inovasi.v18i2.339.