Emenalom O O, Orji V C and Ogbonna N C 2005: Effect of velvet bean (Mucuna pruriens) seeds cooked in maize-cob ash solution on the performance of broiler starter chickens. Livestock Research for Rural Development. Volume 17, Article #135. Retrieved
, from http://www.lrrd.org/lrrd17/12/emen17135.htm