Prayitno, Gunarwan, and Estu Sinduningrum. 2018. “Proses Pembuatan Selongsong Tabung Pelindung Detector Geiger Muller Tipe Side Window”. Prosiding Seminar Nasional Teknoka 3 (December), E60-E63. https://doi.org/10.22236/teknoka.v3i0.2823.