159. Orange, D.; Tran Duc Toan; Podwojewski, P.; Clément, F.; Phan Ha Hai An; Do Duy Phai; Nguyen Van Thiet; Pham Van Rinh; Nguyen Duy Phuong; Henry des Tureaux, T.; Huon S.; Chu Thai Hoanh. 2006. Sustainable watershed management in cultivated sloping lands of SEA. Pproceedings of the 2nd International Conference on Sustainable Sloping Lands and Watershed Management, LuangPhrabang, Laos. 12-15 December 2006.
160. Jouquet, P.; Bottinelli, N.; Orange, D. ; Podwojewski, P.; Tran Duc Toan. 2006. Impact of land-use change on earthworm diversity and activity: Consequence for soil erosion and soil fertility. Pproceedings of the 2nd International Conference on Sustainable Sloping Lands and Watershed Management, LuangPhrabang, Laos. 12-15 December 2006.
161. Sharma, Bharat R.; Villholth, Karen G.; Sharma, Kapil D. 2006. Groundwater research and management: Integrating science into management decisions. Proceedings of the IWMI-ITP-NIH International Workshop on Creating Synergy Between Groundwater Research and Management in South and Southeast Asia, Roorkee, India, 8-9 February 2005. Colombo, Sri Lanka: IWMI. 270p. (Groundwater governance in Asia series 1)