Sabangbarn, C., A. . Boonyoo, B. . Danglao, and C. . Wiangtham. “Effect of Dietary Bamboo Charcoal Powder Supplementation on Carcass Quality of Spent Laying Hen”. Journal of Vocational Education in Agriculture, vol. 7, no. 2, Jan. 2024, pp. 145-51, https://li01.tci-thaijo.org/index.php/JVIA/article/view/260139.