?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Dyah+Setyaningrum&rft.au=Dyah+Setyaningrum%2C+Setyaningrum+(2026)&rft.aufirst=Setyaningrum+(2026)&rft.issue=2&rft.pages=181-193&rft.volume=6&rft.atitle=The+Effect+Of+HCL+Activator+Concentration+On+The+Effectiveness+Of+Activated+Carbon+Derived+From+Corncobs+For+Methylene+Blue+Adsorption&rft.issn=2745-6854&rft.date=1+January+2026&rft.title=SPIN%3A+Jurnal+Kimia+%26+Pendidikan+Kimia&rft.genre=article