Global Volcanism Program. (n.d.). Ijen (263350). Smithsonian Institution. Retrieved June 8, 2025, from https://volcano.si.edu/volcano.cfm?vn=263350
Ijen Plateau. (n.d.). The activity of Ijen volcano. Retrieved June 8, 2025, from https://ijenplateau.com/the-activity-of-ijen-volcano/#:~:text=Documented%20eruptions%20of%20Ijen%20date,devastating%20mudflows%20that%20engulfed%20villages.
Klook. (n.d.). Kawah Ijen volcano tour & tickets. Retrieved June 8, 2025, from https://www.klook.com/en-US/destination/p50312003-kawah-ijen/#:~:text=Cultural%20Practices,the%20resilience%20of%20its%20people.
Susetyo, S. H., Abidin, A. U., Nagaya, T., Kato, N., & Matsui, Y. (2024). Environmental health risk assessment and acute effects of sulfur dioxide (SO2) inhalation exposure on traditional sulfur miners at Ijen Crater Volcano, Indonesia. Toxicology Reports, 13, 101772. https://doi.org/10.1016/j.toxrep.2024.101772