1. Adams M (2018) Greening urban growth: the role of urban and peri-urban forestry. SciTech Eur (blog). 12 Feb 2018. https://www.scitecheuropa.eu/urban-and-peri-urban-forestry/84111/
2. Ahmad O (2016) Climate resilience in peri-urban areas. India Clim Dialogue (blog). 7 Sept 2016. http://indiaclimatedialogue.net/2016/09/07/climate-resilience-peri-urban-areas/
3. Bao M (2010) Ngập úng nghiêm trọng tại Ninh Bình [Severe floods in Ninh Binh]. Baomoi.com, 28 Aug 2010. https://baomoi.com/s/c/4777247.epi
4. Brooks N, Anderson S, Ayers J, Burton I, Tellam I (2011) Tracking adaptation and measuring development. International Institute for Environment and Development (IIED)
5. Do T (2016) Sớm Đẩy Nhanh Tiến Độ Thực Hiện Dự Án Sông Sào Khê - Ninh Bình [Accelerate implementation of Sao Khe River - Ninh Binh Project]. Nhan Dan, 19 July 2016. http://www.nhandan.com.vn/xahoi/item/30176802-som-day-nhanh-tien-do-thuc-hien-du-an-song-sao-khe-ninh-binh.html