แต้สมบัติ วิษุวัฒก์. 2018. “Assessment an Areal Rainfall Technique With Digital Elevation Model Data in Tapi Basin”. Srinakharinwirot University Engineering Journal 13 (2). Bangkok, Thailand:141-52. https://ph02.tci-thaijo.org/index.php/sej/article/view/143680.