Puspita, Nikken, Indah Wijayanti, and Budi Surodjo. “HUBUNGAN SIFAT BERSIH PADA RING, MODUL, KOMODUL DAN KOALJABAR”. Pattimura Proceeding: Conference of Science and Technology 2, no. 1 (April 19, 2022): 41-50. Accessed April 19, 2024. https://ojs3.unpatti.ac.id/index.php/pcst/article/view/5638.