Wiyabot, T., and Manakit, P. 2021. “Effects of diet additive supplements on the performance and cost of grower-finisher production: A case study in Nakhon Sawan Province, Thailand”. International Journal of Agricultural Technology 17 (3):1199-1208. https://li04.tci-thaijo.org/index.php/IJAT/article/view/6112.