ANALISIS PENERAPAN STANDAR OPERASIONAL PROSEDUR (SOP)DALAM MENUNJANG KELANCARAN OPERASIONAL PURCHASING DI PT. SUKSES MITRA SEJAHTERA. SENMEA [Internet]. 2023 Sep. 26 [cited 2026 Aug. 30];8:101-15. Available from: https://proceeding.unpkediri.ac.id/index.php/senmea/article/view/3647