KURNIAWAN ATMADJA; MIFTAHUL FIKRI. Pelabelan Harmonis pada Graf Tangga Segi Tiga Paku. Limits: Journal of Mathematics and Its Applications, [S. l.], v. 20, n. 2, p. 157–163, 2023. Disponível em: https://journal.its.ac.id/index.php/limits/article/view/5514. Acesso em: 14 dec. 2025.