1.
Setyadi HA, Supriyanta S, Nurohim GS. Improving Junk Sale and Purchase Transactions Using a Spiral Model-Based System. journalisi [Internet]. 2024 Dec. 13 [cited 2026 Mar. 7];6(4):2237-54. Available from: https://www.journal-isi.org/index.php/isi/article/view/871