Sittiwatethanasiri, T., L.-O. . Wannarit, and Y. Pongkaew. “A Study of Science, Technology and Innovation Enhancement for Defense Industry”. NKRAFA JOURNAL OF SCIENCE AND TECHNOLOGY, vol. 17, no. 2, Dec. 2021, pp. 54-68, https://ph02.tci-thaijo.org/index.php/nkrafa-sct/article/view/245456.