?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=Analysis+of+Student's+Answer+Error+on+Understanding+of+Energy+Concept+in+Conceptual+Change+Text+(CCT)-Based+Learning&rft.title=JPPIPA&rft.genre=article