MUHLIS, La ode. OPERASI JOIN KOTERI-k DIPERLUAS. Jurnal Matematika, Statistika dan Komputasi, [S. l.], v. 14, n. 2, p. 106–113, 2018. DOI: 10.20956/jmsk.v14i2.3585. Disponível em: https://journal.unhas.ac.id/index.php/jmsk/article/view/3585. Acesso em: 22 dec. 2024.