Mapanao, R., and W. Jiwyam. “Effects of Vitamin C in diet on growth, feed efficiency and survival rate of Pangasius bocourti sauvage, 1880 (Thai)”. Asia-Pacific Journal of Science and Technology, vol. 15, no. 11, Apr. 2017, pp. 1043-52, https://so01.tci-thaijo.org/index.php/APST/article/view/84089.