- https://erpfiles.com/e9LLjrha/subcontracting-procurement-process-using-value-contracts-in-sap-s4h-end-users-guide.pdf
- https://drive.google.com/file/d/1xHYPeU5yz6Yvgq8B8-qsli5PU1wZ2LRe/view?usp=sharing
- https://mega.nz/file/Sd0XBbxb#iSqK_MFaUdwzqnc11mNKfS8JD7gk5IBYjGZYH5oa9Vs
- https://disk.yandex.com.tr/i/yA1j_Dv8vR70Ww