-632 624 625 627 analysis appropriatetechnology badr badrḥunayn battleof battleofthe biologicaltreatment bioremediation biotechnology congresses control ditch earthsciences ecologicalengineering ecology encyclopedias environmentalchemistry environmentalengineering environmentalhealth environmentalpollutants environmentalpollution environmentalprotection environmentalscienceandengineering environmentalsciences ge1-350 geography hazardouswaste hazardouswastes history islam jihad juvenileliterature khaybar medina microbialecology militaryleadershipmuḥammad miljövetenskap2sao muḥammad nuclearmagneticresonancespectroscopy pollution prevention purification refuseandrefusedisposal restorationecology sanitaryengineering sanitation saudiarabia sewage sewagedisposal sustainabledevelopment uhud wa671s9884e1990 wa778 wastemanagement/wastetechnology wastewaterprocessing water-supplyengineering çevrebilimi çevremühendisliği