FADLIL, Abdul; 						RIADI, Imam; 						NUGRAHANTORO, Achmad.
 Data Security for School Service Top-Up Transactions Based on AES Combination Blockchain Technology.
<strong>Lontar Komputer : Jurnal Ilmiah Teknologi Informasi</strong>, [S.l.], v. 11, n. 3, p. 155-166, dec. 2020.
ISSN 2541-5832.
Available at: &lt;<a href="http://103.29.196.112/index.php/lontar/article/view/65642" target="_new">http://103.29.196.112/index.php/lontar/article/view/65642</a>&gt;. Date accessed: 16 dec. 2025.
doi: <a href="https://doi.org/10.24843/LKJITI.2020.v11.i03.p04">https://doi.org/10.24843/LKJITI.2020.v11.i03.p04</a>.