https://archive.li.mahidol.ac.th/handle/0280026809/303 Prints Mon, 04 May 2026 00:20:00 GMT 2026-05-04T00:20:00Z https://archive.li.mahidol.ac.th:443/bitstream/id/3866/ https://archive.li.mahidol.ac.th/handle/0280026809/303