Kesatriawan, Ahmad Ervan Rosidi, Jacqueline Marsha Meliska, Melinda Indriani, and Teruna Tunjung Putera. “Kedudukan Purchase Order Sebagai Dasar Kewajiban Pembayaran”. Notaire 5, no. 2 (June 27, 2022): 179–196. Accessed January 29, 2025. https://e-journal.unair.ac.id/NTR/article/view/35000.