SISTEM INFORMASI PURCHSING ORDER (PO) ASET BERBASIS WEB STUDI KASUS FAKULTAS TEKNIK UNIVERSITAS IBNU SINA. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 5, n. 1, p. 57–61, 2022. DOI: 10.54314/jssr.v5i1.718. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/718.. Acesso em: 3 may. 2026.