“ANALISIS PENGARUH INDUKSI PETIR PADA KOMUNIKASI DATA AUTOMATIC MESSAGE SWITCHING CENTER DI PERUM LPPNPI PANGKALPINANG”. PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE, vol. 3, Sept. 2019, pp. 127-32, https://doi.org/10.33019/snppm.v3i0.1330.