Institutional linkages for different types of agricultural technologies : rice in the eastern plains of Colombia / by Luis Alfonso Agudelo and David KaimowitzRelations between agricultural researchers and extension workers : the survey evidence / by Stephan Seegers and David KaimowitzPlacing agricultural research and technology transfer in one organization : two experiences from Colombia / David KaimowitzInformal linkage mechanisms and technology transfer: the PACO project in Côte d'Ivoire / by Thomas EponouManaging the links between research and technology transfer: the case of the Agricultural Extension-Research Liaison Service in Nigeria / by Johnson Ekpere and Isiaka IdowuThe training and visit system and the links between rice research and extension in the Matara District of Sri Lanka / by Stephan SeegersIntegration and overlapping tasks : some cases in the Philippines / by Hermina Arocena-FranciscoManagement of intergroup linkages for agricultural technology systems / by Anna Wuyts-Fivawo