?url_ver=Z39.88-2004&rft_id=MTMT%3A34529023+10.1016%2Fj.heliyon.2024.e24171&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Merih+Welay&rft.aulast=Welesilassie&rft.au=+Welesilassie+Merih+Welay&rft.issn=2405-8440&rft.volume=10&rft.atitle=The+relationship+among+EFL+learners%E2%80%99+motivational+self-system%2C+willingness+to+communicate%2C+and+self-assessed+proficiency+at+an+Ethiopian+preparatory+high+school&rft.date=2024&rft.issue=2&rft.title=HELIYON&rft.genre=article