https://archive.li.mahidol.ac.th/handle/0280026809/96 Tue, 12 May 2026 02:56:04 GMT 2026-05-12T02:56:04Z https://archive.li.mahidol.ac.th:443/bitstream/id/4009/ https://archive.li.mahidol.ac.th/handle/0280026809/96