Chantiratikul, A., et al. “Performance and Carcass Characteristics of Japanese Quails Fed Diets Containing Wolffia Meal [Wolffia Globosa (L). Wimm.] As a Protein Replacement for Soybean Meal”. International Journal of Poultry Science, vol. 9, no. 6, May 2010, pp. 562–566, https://doi.org/10.3923/ijps.2010.562.566.