1. Characteristics and consequences of volcanic gas from Mount Merapi towards human health and the surrounding environment
2. Asian Economy, https://view.asiae.co.kr/article, Visited on November 18, 2020.
3. Buist, A.S., Johnson, L.R., Vollmer, W.M., Sexton, G.J., Kanarek, P.H. (1983) Acute effects of volcanic ash from Mount Saint Helens on lung function in children. The American Review of Respiratory Disease, 127, 714-719.
4. Craighead, J.E., Adler, K.B., Butler, G.B., Emerson, R.J., Mossman, B.T., Woodworth, C.D. (1983) Health effects of Mount St. Helens volcanic dust. Laboratory Investigation, 48, 5-12.
5. Volcanic ash and respiratory symptoms in children on the island of Montserrat, British West Indies