Value Chain Analysis, Household Survey and Agronomic Trial Results – North Sumatra; Wani Hati Utomo, Yudi Widodo, Kartika Noerwijati, Ruly Krisdiana, Suhartini, Erwin Wisnubroto, Dominic Smith, Rob Cramb, Jonathan Newby and Lava Yadav, Discussion Paper Number 4, July 2018
Value Chain Analysis, Household Survey and Agronomic Trial Results – Sikka; Wani Hati Utomo, Yudi Widodo, Kartika Noerwijati, Ruly Krisdiana, Suhartini, Erwin Wisnubroto, Dominic Smith, Jonathan Newby, Rob Cramb and Lava Yadav; Discussion Paper Number 7, July 2018.