MODHHI, Khalid Hmoud; ISMAIL, Aodai Abdulillah. Traffffiic Noiise Effffectts on tthe Effffiiciiency off Teachiing and Sttudyiing Cllassrooms. Nahrain University College of Engineering Journal, [S. l.], v. 16, n. 2, p. 138–155, 2017. Disponível em: https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/284.. Acesso em: 23 dec. 2024.