T. J. Rajesh KUMAR. Study on Neighborhood Prime Labeling. Current Topics on Mathematics and Computer Science Vol. 5, [S. l.], p. 89–96, 2021. DOI: 10.9734/bpi/ctmcs/v5/11408D. Disponível em: https://stm.bookpi.org/CTMCS-V5/article/view/2434. Acesso em: 21 jul. 2026.