Elsoni, Elkheir Mohammed, and Awad Galal Osman. “Effects of Biofertilization on Yield, Physical Characteristics and Chemical Composition of Pigeon Pea (Cajanus Cajan L.)”. Pakistan Journal of Nutrition, vol. 10, no. 10, Sept. 2011, pp. 978–981, https://doi.org/10.3923/pjn.2011.978.981.