Technical Studies And Monitoring Of Consolidation, Restoration And Rehabilitation Work On Buildings Threatening Ruin In The Medina Of Sefrou, Town Of Sefrou, In Three Separate Lots: - Lot No. 1: Medina Of Sefrou Zone A; - Lot No. 2: Medina Of Sefrou Zone B; - Lot N°3: Medina Of Sefrou Zone El Kalaa