Hitiyahubessy, Jeanifersu, and Moody Risky Syailendra Putra. “Assessing the Validity of a Letter of Assignment As a Legal Basis for Cooperation Agreements in Indonesian Contract Law: A Case Study of Supreme Court Decision No. 4735 K Pdt 2024”. Al-Risalah Jurnal Ilmu Syariah Dan Hukum, May 2026, pp. 1609-18, doi:10.24252/al-risalah.vi.68401.