PROF.AKSHAYA GHALIMATH; PRASHIK MESHRAM; UTKARSH SINGH. U-BOOT VOID SLAB. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, p. 1–2, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/2002. Acesso em: 18 jul. 2025.