A. Chantiratikul, O. Chinrasri, P. Chantiratikul, A. Sangdee, U. Maneechote, and C. Bunchasak, “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”, Int. J. Poult. Sci., vol. 9, no. 3, pp. 283–287, Feb. 2010, doi: 10.3923/ijps.2010.283.287.