“The effect of the use of cassava tuber (Manihot esculenta) and Indigofera zollingeriana leaf flour combination as a source of energy supplemented with citric acid in ration on broiler small intestine characteristics and productivity”, J. Adv. Vet. Anim. Res, vol. 9, no. 3, pp. 471–480, Sep. 2022, Accessed: Jul. 03, 2026. [Online]. Available: https://www.banglajol.info/index.php/JAVAR/article/view/80292