An Intelligent Tender Management System Using Block Chain And IPFS. International Journal of Information Technology and Computer Engineering, [S. l.], v. 14, n. 2, p. 245–251, 2026. DOI: 10.62647/. Disponível em: https://ijitce.org/index.php/ijitce/article/view/1773. Acesso em: 20 apr. 2026.