Khrueaphue, Thongchai. 2020. “Comparative Study of Hard-Facing Weld Metal Properties on Grade 900 Railway Steel Using H450R and E120-18G SMAW Electrodes”. Frontiers in Engineering Innovation Research 18 (1):111-20. https://ph01.tci-thaijo.org/index.php/jermutt/article/view/241890.