1. Environmental Issues of the Restoration Project;Kim,2009
2. ISO 14044: Environmental Management, Life Cycle Assessment, Requirements and Guidelines,2006
3. ISO 21930: Sustainability in Building Construction-Environmental Declaration of Building Products,2007
4. ISO/DIS 13315-2:2014: Environmental Management for Concrete and Concrete Structures–Part 2: System Boundary and Inventory Data,2014