Sisalai, S., P. Anantanachot, A. Jutilarptavorn, and N. Choomrit. “EFFICIENCY IMPROVEMENT IN THE PROCESS OF FIREPROOF STEEL DOORS”. Srinakharinwirot University Journal of Sciences and Technology, vol. 16, no. 31, January-June, Apr. 2024, pp. 1-16, Article 253651, https://ph02.tci-thaijo.org/index.php/swujournal/article/view/253651.