==References==== External links ==*Royal Gazette publications on Huai Kha Khaeng (Thai)** Issue 89 chapter 132 of September 4 1972** Issue 103 chapter 87 of May 21 1986** Issue 109 chapter 126 of December 30 1992
* National Park, Wildlife and Plant Conservation Department (Thai)* Royal Gazette publications on Huai Kha Khaeng (Thai)** Issue 89 chapter 132 of September 4 1972** Issue 103 chapter 87 of May 21 1986** Issue 109 chapter 126 of December 30 1992