Dupont, J.2007-11-131999-03-262007-11-131984http://hdl.handle.net/10625/24002French version available in IDRC Digital Library: Vivre de ses recherchesSpanish version available in IDRC Digital Library: Viviendo de los resultadosp. 13enSORGHUMCROP YIELDAGRICULTURAL INVESTMENTHIGH YIELDING VARIETIESPLANT PRODUCTIONCEREALSSENEGALLiving on resultsCrafts economiesJournal Article