1. Andah W, Gichuki F (2003) Volta Basin Profile: strategic research for enhancing agricultural water productivity (Draft). Accra: International Water Management Institute, Challenge Program on Water and Food
2. Amphoma B (2004) The enabling environment for Integrated Water Resources Management (IWRM) in the Volta Basin: the Case of the White Volta Basin. Workshop Paper, Promoting Bilateral Cooperation through Informed Dialog in the Volta Basin, Ho, June 8–10 2004
3. Andreini M, van de Giesen N, van Edig A, Fosu M, Andah W (March 2000) Volta Basin Water Balance. ZEF Discussion Papers on Development Policy No 21, Bonn
4. Berger T, Asante F, Osei-Akoto I (2002) GLOWA-Volta Common Sampling Frame – Selection of Survey Sites. Bonn, ZEF unpublished Research Documentation
5. Berger T, Park SJ, van de Giesen N, Vlek Paul LG (2004) Agent-based integration of disciplinary knowledge of resource use dynamics. J River Basin Manage, Special Issue on the GLOWA Volta Project. Forthcoming