https://archive.li.mahidol.ac.th/handle/0280026809/98 Thu, 21 May 2026 20:41:27 GMT 2026-05-21T20:41:27Z https://archive.li.mahidol.ac.th:443/bitstream/id/4013/ https://archive.li.mahidol.ac.th/handle/0280026809/98