Angel Manik, Kenny, Wayan Gede Ariastina, & Ida Ayu Dwi Giriantari.
" RANCANGAN PLTS ATAP GEDUNG GEREJA METHODIST INDONESIA MANNA HELVETIA." <em>Jurnal SPEKTRUM</em> [Online], 10.1 (2023): 64-76. Web. 31 Jan. 2025