Zacar?as, J. B., M. Valdivi?, and S. J. Bicudo. “Meal of Cassava Foliage As Pigment of Diets With Cassava Meal and Oil of African Oil Palm for Laying Hens”. Cuban Journal of Agricultural Science, vol. 46, no. 2, June 2012, https://cjascience.com/index.php/CJAS/article/view/68.