http://kannikar.net/Technology/%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B9%80%E0%B8%82%E0%B9%89%E0%B8%B2u31-2/ ทางเข้าu31 https://slides.com/owennava1 Wed, 06 Aug 2025 08:11:35 EDT en