แหล่งข้อมูล (1) https://www.nationthailand.com/business/tech/40021907 (2) https://thaibizsingapore.com/singapore/policies/dea/ (3) https://isc.mfa.go.th/en/content/%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%95%E0%B8%81%E0%B8%A5%E0%B8%87%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B9%80%E0%B8%A8%E0%B8%A3%E0%B8%A9%E0%B8%90%E0%B8%81%E0%B8%B4%E0%B8%88%E0%B8%94%E0%B8%B4%E0%B8%88%E0%B8%B4%E0%B8%97%E0%B8%B1%E0%B8%A5-dea-%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%AA%E0%B8%B4%E0%B8%87%E0%B8%84%E0%B9%82%E0%B8%9B%E0%B8%A3%E0%B9%8C?page=5f86c1e29deee6343066e1e2&menu=5f7ac05c46fb8e4f867ec6e2