Sisalai, Suphanan, Pichaya Anantanachot, Anuwat Jutilarptavorn, and Ninlawan Choomrit. “EFFICIENCY IMPROVEMENT IN THE PROCESS OF FIREPROOF STEEL DOORS”. Srinakharinwirot University Journal of Sciences and Technology 16, no. 31, January-June (April 30, 2024): 1–16, Article 253651. accessed October 13, 2026. https://ph02.tci-thaijo.org/index.php/swujournal/article/view/253651.