?url_ver=Z39.88-2004&rft_id=10.1145%2F3572549.3572597&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Pham%2C+C.K.&rft.aulast=Pham&rft.aufirst=C.K.&rft.isbn=9781450397766&rft.title=Students'+Experience+of+Social+Presence+in+Online+Learning&rft.date=2022&rft.genre=proceeding