1. Seed systems smallholder farmers use
2. Integrating Seed Systems. Planning for Scaling Brief #3
https://seedsystem.org/wp-content/uploads/2014/03/Integrating-Seed-Systems-.pdf
3. Improved Common Bean Varieties Released from 1970 to 2013 by PABRA
https://hdl.handle.net/10568/108592
4. Plant genetic resources management: Collection, characterization, conservation and utilization;Upadhyaya;J. SAT Agric. Res.,2008
5. Bringing Farmers Back into Breeding. Experiences with Participatory Plant Breeding and Challenges for Institutionalisation,2006