?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Nuraini%2C+Nuraini&rft.aulast=Nuraini&rft.aufirst=Nuraini&rft.date=4+December+2023&rft.issue=04&rft.title=The+Effect+of+Gadget+Usage+Duration+on+Cognitive+Function+with+MMSE+in+SMPN+2+Students+in+Koba+District%2C+Bangka+Belitung+Islands&rft.atitle=The+Effect+of+Gadget+Usage+Duration+on+Cognitive+Function+with+MMSE+in+SMPN+2+Students+in+Koba+District%2C+Bangka+Belitung+Islands&rft.volume=14&rft.issn=2808-4608&rft.genre=article