MAJUMDAR, A. A. K. New variants of the bottleneck tower of Hanoi problems. Journal of Bangladesh Academy of Sciences, [S. l.], v. 44, n. 2, p. 197–200, 2021. DOI: 10.3329/jbas.v44i2.51463. Disponível em: https://banglajol.info/index.php/JBAS/article/view/51463. Acesso em: 27 sep. 2024.