Widagdo, Reza Sarwo, et al. “Design and Installation of Lightning Arrester System at Karitas Yogyakarta Junior High School”. BERNAS: Jurnal Pengabdian Kepada Masyarakat, vol. 6, no. 1, Jan. 2025, pp. 7-19, doi:10.31949/jb.v6i1.10612.