Aljabar Kumjian-Pask dari Graf-k Berhingga Baris Tanpa Sources. Jurnal EurekaMatika, [S. l.], v. 5, n. 2, p. 72–80, 2017. Disponível em: https://ejournal-science.upi.edu/jem/article/view/128. Acesso em: 20 aug. 2026.