Wardoyo, Arinto Yudi Ponco, Hari Arief Dharmawan, Muhammad Nurhuda, Arif Budianto, and Azarine Aisyah Widhowati. “AN IN SITU VOLCANIC GASEOUS EMISSIONS CONCENTRATION MEASUREMENT SYSTEM: A CASE STUDY FOR WELIRANG VOLCANO, MALANG, INDONESIA”. GEOMATE Journal 22, no. 93 (May 2, 2022): 44–51. Accessed July 5, 2022. https://geomatejournal.com/geomate/article/view/2506.