RAMAKRISHNAN, M.; SRIRAM, S. Hamacher Operations on Picture Fuzzy Matrices. Communications in Mathematics and Applications, [S. l.], v. 14, n. 1, p. 311–322, 2023. DOI: 10.26713/cma.v14i1.1898. Disponível em: http://www.journals.rgnpublications.com/index.php/cma/article/view/1898. Acesso em: 16 jun. 2025.