?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=+Kurnia+Anggraini%2C+1523042020&rft.aulast=+Kurnia+Anggraini&rft.aufirst=+1523042020&rft.degree=Masters&rft.date=24+Mei+2017&rft.title=THE+COMPARISON+OF+COLLABORATIVE+LEARNING+TECHNIQUES%3A+THINK-PAIR-SHARE+AND+CO-OP+CO-OP+IN+IMPROVING+STUDENTS%E2%80%99+DESCRIPTIVE+WRITING&rft.inst=UNIVERSITY+OF+LAMPUNG