?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Asrizal&rft.aulast=Asrizal&rft.au=Asrizal%2C+Asrizal&rft.atitle=Mechanical+Wave+Module+Based+on+CTL+to+Improve+Environmental+Literacy+of+Students&rft.date=August+2020&rft.issn=2509-0119&rft.title=International+Journal+of+Progressive+Sciences+and+Technologies+(IJPSAT)&rft.pages=44-50&rft.genre=article