Johan Pamungkas, and Wirawan. “esign of a eal-ime onitoring ystem ased on ireless ensor etworks for olcanic ruption isaster itigation”. urnal asional eknik lektro an eknologi nformasi, ol. 4, no. 3, 1, pp. 177-81, https://journal.ugm.ac.id/v3/JNTETI/article/view/2998.