Wu, C.H.C.H.WuKuo, C.Y.C.Y.KuoLo, S.L.S.L.LoSHANG-LIEN LO2020-02-252020-02-252009https://scholars.lib.ntu.edu.tw/handle/123456789/463404Recovery of heavy metals from industrial sludge using various acid extraction approachesjournal article10.2166/wst.2009.8592-s2.0-60749137632https://www.scopus.com/inward/record.uri?eid=2-s2.0-60749137632&doi=10.2166%2fwst.2009.859&partnerID=40&md5=dd72434255da5400170bfb6d879486c0