2022. SISTEM INFORMASI PURCHSING ORDER (PO) ASET BERBASIS WEB STUDI KASUS FAKULTAS TEKNIK UNIVERSITAS IBNU SINA. JOURNAL OF SCIENCE AND SOCIAL RESEARCH. 5, 1 (Feb. 2022), 57–61. DOI:https://doi.org/10.54314/jssr.v5i1.718.