?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Ghery&rft.aulast=Priscylio&rft.au=Priscylio%2C+Ghery&rft.atitle=Pengembangan+Lembar+Kerja+Siswa+Berbasis+Problem+Based+Learning+pada+Topik+Ikatan+Kimia&rft.date=June+2019&rft.issn=ISSN+print+%3A+2527-6816+dan+ISSN+online+%3A+2527-6816&rft.title=JTK+(Jurnal+Tadris+Kimiya)&rft.volume=4&rft.issue=1&rft.pages=1-10&rft.genre=article