?url_ver=Z39.88-2004&rft_id=10.13189%2Fujer.2019.070410&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Sheau%2C+Huey+Chong&rft.aulast=Sheau&rft.aufirst=Huey+Chong&rft.date=2019&rft.atitle=Post-secondary+Science+Students'+Understanding+on+Mole+Concept+and+Solution+Concentration&rft.title=Universal+Journal+of+Educational+Research&rft.genre=article