Nuijten, Edwin Farmer management of gene flow : the impact of gender and breeding system on genetic diversity and crop improvement in the Gambia /by Edwin Nuijten - Wageningen : the author, 2005. - 270 p. Tesis (Ph. D.) - - Wageningen Universiteit LCCN: 93397 Subjects--Topical Terms: Agricultura--Gambia.Arroz--Gambia.Biotecnología.Cultivos--Rendimiento.Mijo--Gambia.Semillas--Mejoramiento.