WANG, W.; CHEN, Z.; HU, H. Hierarchical Attention Network for Image Captioning. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 33, n. 01, p. 8957-8964, 2019. DOI: 10.1609/aaai.v33i01.33018957. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/4924. Acesso em: 29 sep. 2022.