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Department of Agriculture, Sri Lanka ,  Sri Lanka Council for Agricultural Research Policy ,  Disaster Management Centre ,  United Nations Development Programme ,  International Water Management Institute ,  [Practitioners' guide book on the best agricultural practices for drought and floods in Sri Lanka. In Sinhalese. [Guide book development team includes B.R. Ariyaratne of IWMI].] ,  Practitioners' guide book on the best agricultural practices for drought and floods in Sri Lanka. In Sinhalese. [Guide book development team includes B.R. Ariyaratne of IWMI].

Department of Agriculture, Sri Lanka ,  Sri Lanka Council for Agricultural Research Policy ,  Disaster Management Centre ,  United Nations Development Programme ,  International Water Management Institute ,  [Practitioners' guide book on the best agricultural practices for drought and floods in Sri Lanka. In Tamil. [Guide book development team includes B.R. Ariyaratne of IWMI].] ,  Practitioners' guide book on the best agricultural practices for drought and floods in Sri Lanka. In Tamil. [Guide book development team includes B.R. Ariyaratne of IWMI].

International Board for Plant Genetic Resources ,  United Nations Development Programme ,  [Report of a Working Group on Avena: Second meeting, 18-20 March 1986, Braunschweig, Germany] ,  Report of a Working Group on Avena: Second meeting, 18-20 March 1986, Braunschweig, Germany

Department of Agriculture, Sri Lanka ,  Sri Lanka Council for Agricultural Research Policy ,  Disaster Management Centre ,  United Nations Development Programme ,  International Water Management Institute ,  [Practitioners' guide book on the best agricultural practices for drought and floods in Sri Lanka [Guide book development team includes B.R. Ariyaratne of IWMI].] ,  Practitioners' guide book on the best agricultural practices for drought and floods in Sri Lanka [Guide book development team includes B.R. Ariyaratne of IWMI].