Thammachot, N., Nachaisit, P., Homjabok, W., Peeratatsuwan, C., Mayai, A., & Nithikarnjanatharn, J. (2016). The effects of energizer, carburizing temperature and time on the mechanical properties of hardened big knives in a pack carburizing process. Engineering and Applied Science Research, 43(4), 172–177. retrieved from https://ph01.tci-thaijo.org/index.php/easr/article/view/48104