Notice Of Open National Call For Tenders No. __031_____/Aono/Cren/Sg/Cipm-En/2026 Of ___May 12, 2026____ For The Execution Of Maintenance Works On Sections Of Terre Logone Roads Birni-Zimado-Zina-Pouss And Yagoua (Int N12) - Dana (Int R0916) - Bangana-Narmaina - Guibi (Chad Border), In Two Lots, In Emergency Procedure,