?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Samboja&rft.aufirst=Guntur&rft.au=Samboja%2C+Guntur&rft.degree=Skripsi&rft.title=IMPROVING+STUDENTS%E2%80%99+WRITING+ABILITY+THROUGH+PROBLEM+BASED+LEARNING+(A+Study+Conducted+to+Eighth+Grade+Students+of+SMP+PGRI+7+Kota+Bogor)+PAPER+Submitted+to+the+English+Education+Study+Program+Faculty+of+Teacher+Training+and+Educational+Sciences+of+Pakuan+University+as+Partial+Fulfillment+of+the+Requairements+for+Sarjana+Pendidikan+Examination&rft.inst=Universitas+Pakuan&rft.date=25+August+2016