GU, Yunyao; HE, Siyi. Case Studies on Upgradable Engineering Design as a Powerful Tool for Air Force Industry. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 45, n. 1, p. 43–52, 2019. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/9846. Acesso em: 22 sep. 2025.