Abd Elnaby, F.M.Z. , Osra, O.A.A. , Karban, A.S. , Majrashi, A.A. and Ali, M.A.M. 2025. Methodology of Applying Sustainable Design to Achieve Energy Efficiency for Eco-Tourism Hotel buildings in Urban Areas at Siwa Oasis . Metallurgical and Materials Engineering. 31, 1 (Jan. 2025), 193–208. DOI:https://doi.org/10.63278/1235.