?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Sumiyati&rft.au=Sumiyati%2C+Sumiyati&rft.aulast=Sumiyati&rft.title=THE+USE+OF+WHATSAPP+APPLICATION+AS+A+MEDIUM+FOR+TEACHING+ENGLISH+DURING+THE+COVID-19+PANDEMIC+AT+SMPN+1+BOJONEGARA&rft.tpages=107&rft.date=2025&rft.degree=Master&rft.inst=UNIVERSITAS+SULTAN+AGENG+TIRTAYASA