Chantiratikul, A. (2010) “Effect of Replacement of Protein from Soybean Meal with Protein from Wolffia Meal [Wolffia globosa (L). Wimm.] on Performance and Egg Production in Laying Hens”, International Journal of Poultry Science, 9(3), pp. 283–287. doi:10.3923/ijps.2010.283.287.