Nguyen Thi Thuy and Nguyen Cong Ha 2022 Effect of Moringa oleifera and Curcuma longa Powders in diets on laying performances and hatchability of local hens in the south of Vietnam. Livestock Research for Rural Development. Volume 34, Article #52. Retrieved , from http://www.lrrd.org/lrrd34/6/3452nthi.html