อ้างอิง

1.https://th.wikipedia.org/wiki/%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%A1%E0%B8%A7%E0%B8%A5%E0%B9%80%E0%B8%A3%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B8%9B%E0%B8%A3%E0%B8%B1%E0%B8%A1%E0%B8%9B%E0%B8%A3%E0%B8%B2%E0%B8%81%E0%B8%A3%E0%B8%B5%E0%B8%81?fbclid=IwAR2oShKgN-mlku9dDBn3YGko4Nu7Eg-GsJDaWWjtK4S2g0WlFv0xG-MEoRY
2.https://th.wikipedia.org/wiki/%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%A1%E0%B8%A7%E0%B8%A5%E0%B9%80%E0%B8%A3%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B8%9B%E0%B8%A3%E0%B8%B1%E0%B8%A1%E0%B8%9B%E0%B8%A3%E0%B8%B2%E0%B9%82%E0%B8%A3%E0%B8%A1%E0%B8%B1%E0%B8%99?fbclid=IwAR0V8AI4Vy-JdsKWGA74w1bZTs2A6s0G7G-cp2PHnRUQoGiM9VJxQAqiuk4
3.https://th.wikipedia.org/wiki/%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%A1%E0%B8%A7%E0%B8%A5%E0%B9%80%E0%B8%A3%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%87%E0%B8%9B%E0%B8%A3%E0%B8%B1%E0%B8%A1%E0%B8%9B%E0%B8%A3%E0%B8%B2%E0%B8%99%E0%B8%AD%E0%B8%A3%E0%B9%8C%E0%B8%AA