?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Eduardus+Hardika+Sandy&rft.aulast=Atmaja&rft.au=Atmaja%2C+Eduardus+Hardika+Sandy&rft.date=2025&rft.atitle=Ostensive%E2%80%93Inferential+Communication+And+Discursive+Politeness+In+Social+Media+Critique%3A+A+Study+Of+Indonesian+Digital+Discourse&rft.title=Jurnal+Gramatika&rft.genre=article