ASFAQUE, Mohammad. Modular Equivalents and Digital Roots of Irrational and Complex Numbers. International Journal of Formal Sciences: Current and Future Research Trends, Jordan, v. 5, n. 01, p. 1–10, 2020. Disponível em: https://ijfscfrtjournal.isrra.org/Formal_Sciences_Journal/article/view/548. Acesso em: 21 sep. 2025.