DSpace Collection: https://rbkm.kmutt.ac.th:443/jspui/handle/123456789/1011 Wed, 01 Jul 2026 09:12:08 GMT 2026-07-01T09:12:08Z DSpace Collection: https://rbkm.kmutt.ac.th:443/jspui/retrieve/16446/shutterstock_719445016.jpg https://rbkm.kmutt.ac.th:443/jspui/handle/123456789/1011