?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Mega&rft.au=Mega+Elvianasti%2C+Mega&rft.aulast=Mega+Elvianasti&rft.title=ANALYSIS+OF+CK+(CONTENT+KNOWLEDGE)+OF+PRE-SERVICE+BIOLOGY+TEACHERS+ON+CONCEPT+OF+GENETICS+AND+ECOLOGY&rft.issue=1&rft.volume=13&rft.issn=2527-4562&rft.atitle=ANALYSIS+OF+CK+(CONTENT+KNOWLEDGE)+OF+PRE-SERVICE+BIOLOGY+TEACHERS+ON+CONCEPT+OF+GENETICS+AND+ECOLOGY&rft.date=2018&rft.pages=1-11&rft.genre=article