?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Wati&rft.au=Wati+Sukmawati%2C+Wati&rft.aulast=Wati+Sukmawati&rft.atitle=THE+RELATIONSHIP+OF+BASIC+CHEMICAL+CONCEPTS+IN+PHARMACEUTICAL+LEARNING&rft.title=Journal+of+Engineering+Science+and+Technology&rft.genre=article