ISLAM, S. M. Shahidul; MAJUMDAR, A. A. K. A Note on the Tower of Hanoi Problem with Evildoers. Engineering International, Dhaka, Bangladesh, v. 9, n. 1, p. 21–28, 2021. DOI: 10.18034/ei.v9i1.515. Disponível em: https://ei.observer/article/view/515. Acesso em: 29 jan. 2026.