GU, Y.; HE, S. Case Studies on Upgradable Engineering Design as a Powerful Tool for Air Force Industry. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 45, n. 1, p. 43–52, 2019. Disponível em: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/9846. Acesso em: 5 may. 2024.