SAXENA, V. P.; SHARMA, L. Preface. Communications in Mathematics and Applications, [S. l.], v. 14, n. 3, p. i, 2023. DOI: 10.26713/cma.v14i3.2474. Disponível em: https://www.journals.rgnpublications.com/index.php/cma/article/view/2474. Acesso em: 18 aug. 2025.