Eksistensi Isomorphic Refinements dari Dua DC-Group yang Isomorfik. Jurnal EurekaMatika, [S. l.], v. 6, n. 1, p. 1–8, 2018. Disponível em: https://ejournal-science.upi.edu/jem/article/view/107. Acesso em: 1 jul. 2026.