riga, yusriga and Ramli, M. 2026. ANALYSIS OF ADDENDUM CONTRACTS ON SETTLEMENT CONSTRUCTION OF WTP CONSTRUCTION PROJECT IN ACEH TENGAH, ACCORDING TO THE CONCEPT OF IJARAH ’ALA AL-AMAL. Al-Mudharabah: Jurnal Ekonomi dan Keuangan Syariah. 7, 1 (Mar. 2026), 327–347. DOI:https://doi.org/10.22373/al-mudharabah.v7i1.9691.