Muzambiq, S. 2023. Geotourism and Rural Development, Baktiraja Subsub-District : Case Study Toba Caldera Area Humbang Hasundutan Regency. Media Wisata. 21, 1 (Mar. 2023), 1–12. DOI:https://doi.org/10.36276/mws.v21i1.398.