Rusli, R.K., K.G. Wiryawan, T. Toharmat, Jakaria, and R. Mutia. “Effect of Mangosteen Pericarp Meal and Vitamin E Supplements on the Performance, Blood Profiles, Antioxidant Enzyme and HSP 70 Gene Expression of Laying Hens in Tropical Environment”. International Journal of Poultry Science 14, no. 10 (September 15, 2015): 570–576. Accessed September 22, 2025. https://ijpsjournal.org/index.php/ijps/article/view/2211.