Lietz, J. (2003) “Thai-German Research Project WADIS Recommendations for the investigation of Abandoned and Proposed Waste Disposal Sites in Thailand”, Journal of Engineering, RMUTT, 3, pp. 94–101. Available at: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242360 (Accessed: 19 May 2024).