1. ADB. (No date) Project data sheet for ‘Lao people's democratic Republic: Sustainable agroforestry systems for livelihood enhancement of the rural poor.’ Sovereign (public) project no. 37650-022. Available at: https://www.adb.org/projects/37650-022/main#project-pds (accessed 10 Feb. 2018).
2. ADB TAR: STU 30004, February 1997, technical assistance for the Chiang Rai-Kunming road improvement via Lao PDR project,1997
3. ADB TAR: Lao 34231, technical assistance (financed from the Japan special Fund) to the Lao PDR for preparing the northern economic corridor project,2001
4. Summary environmental impact assessment. Northern economic corridor in the Lao People's Democratic Republic,2002
5. RRP: Lao 34321 report and recommendation of the president to the board of directors on a proposed loan to the Lao PDR for the greater Mekong subregion: Northern economic corridor project,2002