| Issue Date | Title | Author(s) | Type | Access Type |
| 15-Sep-2022 | Catalytic O2-steam gasification of biomass over Fe2-xMnxO3 oxides supported on ceramic foam filters | Ruivo, Luis C. M.; Gomes, Helena; Lopes, Daniela V.; Yaremchenko, Aleksey; Vilas-Boas, Catarina; Tarelho, Luís A. C.; Frade, Jorge R. | article |  |
| 2021 | Conceções e práticas de professores sobre a história no ensino da matemática num contexto de formação | Martins, Patrícia Ana; Clain, Teresa Costa; Costa, Cecília; Pinto, Hélder; Ribeiro, António; Gomes, Helena; Menezes, Luís | article |  |
| Nov-2021 | A história da matemática no percurso formativo de futuros professores dos anos iniciais | Martins, A. Patrícia; Gomes, Helena; Menezes, Luís; Costa, Cecília; Pinto, Hélder; Ribeiro, António; Clain, Teresa Costa | bookPart | |
| 2014 | On Randic Spread | Gomes, Helena; Gutman, Ivan; Martins, Enide Andrade; Robbiano, María; San Martin, B. | article | |
| 2023 | Portuguese teachers' conceptions and practices on the History of Mathematics in teaching (7th to 12th grades) | Martins, Ana P.; Pinto, Hélder; Gomes, Helena; Menezes, Luís | bookPart | |
| 1-Mar-2022 | Siderite/Concrete catalysts for H2-enriched gas production from biomass steam gasification | Ruivo, Luis; Oliveira, Hortência; Gomes, Helena; Cruz, Nuno; Yaremchenko, Aleksey; Tarelho, Luís A.C.; Frade, Jorge | article | |
| 2017 | Spectra and Randic spectra of caterpillar graphs and applications to the energy | Andrade, Enide; Gomes, Helena; Robbiano, María | article | |
| 21-Jan-2021 | The H-join of arbitrary families of graphs | Cardoso, Domingos M.; Gomes, Helena; Pinheiro, Sofia J | preprint | |
| 1-Sep-2022 | The H-join of arbitrary families of graphs: the universal adjacency spectrum | Cardoso, Domingos M.; Gomes, Helena; Pinheiro, Sofia J. | article | |
| 2014 | Upper Bounds for Randic Spread | Gomes, Helena; Martins, Enide; Robbiano, María; San Martín, Bernardo | article | |
| 1-Mar-2016 | Upper bounds on the Laplacian spread of graphs | Andrade, Enide; Gomes, Helena; Robbiano, Maria; Rodrigues, Jonnathan | article | |