N. Selim, N. Radwan, S. Youssef, T. S. Eldin, and S. A. Elwafa, “Effect of Inclusion Inorganic, Organic or Nano Selenium Forms in Broiler Diets On: 1-Growth Performance, Carcass and Meat Characteristics”, Int. J. Poult. Sci., vol. 14, no. 3, pp. 135–143, Feb. 2015, doi: 10.3923/ijps.2015.135.143.