Book
Calkins, PH
Calkins, Peter H.; Vu Thi Thao. 2005. Institutional impacts of the cassava farmer participatory research and extension project in Thailand and Vietnam, 1993-2004. Consultative Group on International Agricultural Research (CGIAR), Systemwide Program on Participatory Research and Gender Analysis for Technology Development and Institutional Innovation (PRGA); Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. 66 p.