GAZIR, A.; WARDHANA, I. G. A. W. Subgrup Non Trivial Dari Grup Dihedral. EIGEN MATHEMATICS JOURNAL, [S. l.], v. 1, n. 2, p. 73–76, 2019. DOI: 10.29303/emj.v1i2.26. Disponível em: https://eigen.unram.ac.id/index.php/eigen/article/view/26. Acesso em: 29 apr. 2024.