Del Mundo Dacera และผู้แต่งคนอื่นๆ. 2007. Extraction and removal of heavy metals from contaminated sludge using raw and fermented liquid from pineapple wastes. , Thammasat University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.447
Del Mundo Dacera และผู้แต่งคนอื่นๆ. (2007) Extraction and removal of heavy metals from contaminated sludge using raw and fermented liquid from pineapple wastes . Thammasat University/Pathum Thani. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.447
Del Mundo Dacera และผู้แต่งคนอื่นๆ. Extraction and removal of heavy metals from contaminated sludge using raw and fermented liquid from pineapple wastes. . Pathum Thani:Thammasat University, 2007. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.447
Del Mundo Dacera และผู้แต่งคนอื่นๆ. (2007) Extraction and removal of heavy metals from contaminated sludge using raw and fermented liquid from pineapple wastes . Thammasat University/Pathum Thani. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.447