K. A. Ibrahim, E. A. Elsheikh, and E. E. Babiker, “Minerals Composition of Hyacinth Bean (Dolichos hyacinth L.) Seeds as Influenced by Bradyrhizobium Inoculation and/or Chicken Manure or Sulphur Fertilization”, Pak. J. Nutr., vol. 7, no. 6, pp. 785–792, Oct. 2008, doi: 10.3923/pjn.2008.785.792.