1. 1) Huu Phe, H. and Nishimura, Y. (1989), Historical Environment and Housing Conditions of the Central Hanoi, Journal of the City Planning Institute of Japan (CPIJ), Vol. 24, pp.409-414.
2. 2) Kien, T. (2008a), Conservation Pressing Task and New Documentation of Old Tube Houses in Hanoi Old Quarter Through the Case of No. 47 Hang Bac Street House, Journal of Architecture and Planning (AIJ), Vol. 73, No. 624, pp.457-463.
3. 3) Kien, T. (2008b), Restoring Old Private Houses Without Any Historical Documentation: Implemental framework and case study at No. 47 Hang Bac Street, Hanoi, Journal of Architecture and Planning (AIJ), Vol. 73, No. 628, pp.1355-1361.
4. 4) Sing The, Y. and Sasaki, Y. (2016), Rehabilitation Methods and Revitalization Strategies in the Old Inner-City Areas of Rapid Growth Cities in Asia: A comparison of four cities: Penang, Hanoi, Shanghai, and Tokyo, Urban and Regional Planning Review (CPIJ), Vol. 3, pp.1-20.
5. 5) UTSUMI, S. (2006), The Present Condition and Issue of the Signboard of Historical District: A Study on the Conservation of Hanoi, 6th ISAIA Proceedings, pp.15-18.