EMAD SADIQ, Sadiq; ZUHAIR ZAINY, Hayder; MOHAMMED MUNEER, Roaa; S. AL-ANSARI, Luay. FREE VIBRATION ANALYSIS IN INNOVATIVE 3D PRINTING SANDWICH PANAELS FOR AIRCRAFT STRUCTURE. Kufa Journal of Engineering, Kufa, Najaf, IRAQ, v. 16, n. 1, p. 265–282, 2025. DOI: 10.30572/2018/KJE/160116. Disponível em: https://journal.uokufa.edu.iq/index.php/kje/article/view/16570. Acesso em: 16 may. 2026.