Chang, Fang-ChihFang-ChihChangLo, Shang-LienShang-LienLoKo, Chun-HanChun-HanKo2009-01-142018-06-282009-01-142018-06-282007http://ntur.lib.ntu.edu.tw//handle/246246/96865en-USA Copper Removal Process for Printed Circuit Board Wastewater Sludge Applying Extraction and Cementation with Chelating Agents Recoveryjournal article