Kitchainukul, Waraporn. “The comparison of method of mercury determination in solid waste and leachate : A case study of mercury determination in coal fly ash from power plant and sludge from wastewater treatment plant”. Bulletin of Applied Sciences 5, no. 5 (August 1, 2016): 103–114. accessed September 2, 2026. https://ph03.tci-thaijo.org/index.php/BAS/article/view/288.