SULISTUTI E. SISTEM INFORMASI PEMBELIAN BARANG DEPARTEMENT PURCHASING PADA PT. PIPE INDONESIA JAYA (SPIJ) CILEGON. Commerce.j.ilm. [Internet]. 2016 Jan. 11 [cited 2026 Jan. 29];4(1):1-10. Available from: https://jurnal.pis.ac.id/index.php/commerce/article/view/65