SIFAUNAJAH, Agus; 						KHUSNA, Rosa Tarbiyatul.
 Application of Index for Optimization Query Data in Graduate Information Systems.
<strong>IJAIT (International Journal of Applied Information Technology)</strong>, [S.l.], p. 90-98, june 2022.
ISSN 2581-1223.
Available at: &lt;<a href="//journals.telkomuniversity.ac.id/ijait/article/view/4194" target="_new">//journals.telkomuniversity.ac.id/ijait/article/view/4194</a>&gt;. Date accessed: 29 apr. 2024.
doi: <a href="https://doi.org/10.25124/ijait.v5i02.4194">https://doi.org/10.25124/ijait.v5i02.4194</a>.