ARTHUR IDEHEN; DAVID JACOB IDIATA; DAVID JACOB IDIATA; EFOSA IYOHA OMOROGBE. ROOFING ECONOMICS: ANALYSING THE IMPACT OF DESIGN AND MATERIALS ON CONSTRUCTION COSTS. International Journal of Environmental Research and Earth Science, Nigeria, v. 2, n. 2, 2023. Disponível em: https://cambridgeresearchpub.com/ijeres/article/view/91.. Acesso em: 12 oct. 2025.