OLIVEIRA, Ana Leticia Castro de; FREITAS, Renato Pereira de; PIMENTA , André Rocha; FELIX, Valter de Souza; PARMA, Monica Grôppo; MENDES, Isolda Maria de Castro; ANJOS, Marcelino José dos. Analysis of Oval Paintings Attributed to the Painter Leandro Joaquim Using XRF and MA-XRF. Semina: Ciências Exatas e Tecnológicas, [S. l.], v. 46, p. e52832, 2025. DOI: 10.5433/1679-0375.2025.v46.52832. Disponível em: https://ojs.uel.br/revistas/uel/index.php/semexatas/article/view/52832. Acesso em: 5 dec. 2025.