MAULANA, M.; SWITRAYNI, N. W. Banyak Pohon Pembangun pada Graf Barbell. EIGEN MATHEMATICS JOURNAL, [S. l.], v. 1, n. 2, p. 125–130, 2019. DOI: 10.29303/emj.v1i2.46. Disponível em: https://eigen.unram.ac.id/index.php/eigen/article/view/46. Acesso em: 22 dec. 2024.