"??u t? tr?c ti?p n??c ngoài vào l?nh v?c xây d?ng và b?t ??ng s?n - th?c tr?ng và nh?ng v?n ?? ??t ra - T?p chí C?ng s?n". tapchicongsan.org.vn. Retrieved 2024-02-01. ^ a b From shingled and rubber to flat and metal, have your commercial roof put in in as minor as someday. based on the McGraw-Hill Dictionary of Architecture and Construct