?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=van+Dorsten&rft.aufirst=Q&rft.au=van+Dorsten%2C+Q&rft.tpages=30&rft.date=2020&rft.title=Geographical+differences+in+synthetic+drug+waste+dumping&rft.degree=Master