https://archive.li.mahidol.ac.th/handle/0280026809/299 Souvenirs Thu, 30 Apr 2026 22:07:19 GMT 2026-04-30T22:07:19Z https://archive.li.mahidol.ac.th:443/bitstream/id/3868/ https://archive.li.mahidol.ac.th/handle/0280026809/299