http://kannikar.net/Science/u31-%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B9%80%E0%B8%82%E0%B9%89%E0%B8%B2-7/ u31 ทางเข้า https://connect.gt/user/gwenbake2 Sat, 02 Aug 2025 16:29:15 EDT en