Apiwat Muttamara และ Natta Naulpring; Somsak Siwadamrongpong. (2017) Improvement of Electrolytic Etching on Stainless Steel Grade SUS 304. <i>International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies</i>, <i>8</i>(1), 49-55.Apiwat Muttamara และ Natta Naulpring; Somsak Siwadamrongpong. "Improvement of Electrolytic Etching on Stainless Steel Grade SUS 304". International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies 8 (2017):49-55.Apiwat Muttamara และ Natta Naulpring; Somsak Siwadamrongpong. Improvement of Electrolytic Etching on Stainless Steel Grade SUS 304. TUENGR Group:ม.ป.ท. 2017.