Wijesuriya, W.Dissanayake, D.M.A.P.Wijeratne, M.Edirisinghe, J.Herath, K.Abeywardene, V.2014-07-102014-07-102003Journal of the Rubber Research Institute of Sri Lanka, 86:p.32-37https://dl-rri.nsf.gov.lk//handle/1/2576AgricultureRubberSmallholdersAgricultural extensionNon-parametric methodsPreference rankingPreference ranking as a participatory tool in identifying farmers' perceptions in planning effective dissemination programmesArticle