Khamkaew, Atcharapan, Wut Taksintham, and Suporn Ponpan. 2021. “Species and Abundance of Amphibians: Anurans, at Huai Yang Waterfall National Park, Prachuap Khiri Khan Province”. PKRU SciTech Journal 5 (1):1-11. https://ph01.tci-thaijo.org/index.php/pkruscitech/article/view/241681.