CHAIRUL IMRON. Batas Bilangan Ajaib Pada Graph Caterpillar. Limits: Journal of Mathematics and Its Applications, [S. l.], v. 3, n. 2, p. 49, 2006. Disponível em: https://journal.its.ac.id/index.php/limits/article/view/5349. Acesso em: 3 jan. 2026.