AN ARCHITECTURAL APPROACH COMBINING 3D SCANNING AND UNPUBLISHED ARCHIVES TO THE ANALYSIS OF A 19TH-CENTURY ENGINEERING STRUCTURE: CASE STUDY OF THE CHIFFA RAILWAY VIADUCT ALGERIA. International Journal of Innovative Technologies in Social Science, [S. l.], n. 1(45), 2025. DOI: 10.31435/ijitss.1(45).2025.3143. Disponível em: https://rspublisher.org/index.php/ijitss/article/view/3143. Acesso em: 17 mar. 2026.