Introduction / Adiel N. Mbabu, Andy Hall -- In search of agricultural research for development: a new capacity building agenda / Andy Hall, Adiel N. Mbabu, Tesfaye Beshah, Miok K. Komolong -- The evolution of the agricultural sector in PNG / Miok K. Komolong, Eric E. Omuru, Adiel N. Mbabu -- The origins and design of ARDSF / Adiel N. Mbabu, Tesfaye Beshah -- Organizational needs assessment and the design of an implementation strategy for ARDSF / Adiel N. Mbabu, Miok K. Komolong -- Facilitating agricultural research for development in selected PNG NARS organisations / Adiel N. Mbabu, Miok K. Komolong, Zenete P. França, Simba Sibanda -- Facilitating agricultural research for development in NARI / Adiel N. Mbabu, Birte Komolong, Raghunath Ghodake, Jimmy Maro, Simba Sibanda -- Empowering the human side of organisation to lead the AR4D approach / Zenete P. França, Abel Philemon, Anthony Woyengu, Steven Tumae, John Pono, Adiel N. Mbabu -- Facilitating the agricultural innovation grant scheme in PNG / Adiel N. Mbabu, Tesfaye Beshah, Allan Oliver, Miok K. Komolong, Simba Sibanda -- Facilitating the development of the ARDSF theory of change / Adiel N. Mbabu, Miok K. Komolong, Tesfaye Beshah, Maxie Dominic, Jorg Edsen, Zenete P. França -- Facilitating research-policy linkages / Andy Hall, Adiel N. Mbabu, Miok K. Komolong, Tesfaye Beshah, Eric E. Omuru, Alan Bird, Raghunath Ghodake -- An unfinished symphony? Achievements and sustainability of ARDSF / Andy Hall, Adiel N. Mbabu, Tesfaye Beshah, Miok K. Komolong -- Lessons from ARDSF and reflections on AR4D / Andy Hall, Adiel N. Mbabu.