Amaefule, K.U., et al. “Pigeon Pea (Cajanus Cajan) Seed Meal As Protein Source for Pullets: 1. Performance of Grower Pullets Fed Raw or Processed Pigeon Pea Seed Meal Diets”. International Journal of Poultry Science, vol. 5, no. 1, Dec. 2005, pp. 60–64, https://doi.org/10.3923/ijps.2006.60.64.