?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Amalia%2C+Debby+Rizki&rft.aulast=Amalia&rft.aufirst=Debby+Rizki&rft.title=An+Analysis+of+Teachers%E2%80%9F+and+Students%E2%80%9F+Politeness+Strategies+Used+in+Text+Messaging%3A+Qualitative+Studies+in+Junior+High+School+of+Setia+Bhakti+and+Senior+Hgh+School+of+Setia+Bhakti&rft.degree=Masters&rft.date=27+November+2018&rft.inst=Universitas+Muhammadiyah+Prod.+Dr.+HAMKA