G. JANAKI; P. SANGEETHA. On a Graceful Dio-3 Tuples for Rhombic Dodecagonal Number. Explorations in Diophantine Equations, [S. l.], p. 86–93, 2023. DOI: 10.9734/bpi/mono/978-81-967488-3-8/CH10. Disponível em: https://stm.bookpi.org/EDE/article/view/12437. Acesso em: 19 jun. 2026.