Tri Bayu Pamuji and Agus Suroso 2026. Transforming Industrial Downstreaming in Indonesia: Strengthening Value Creation within a Circular Economy Framework – A Literature Review. EKOMA : Jurnal Ekonomi, Manajemen, Akuntansi. 5, 4 (Apr. 2026), 4374–4388. DOI:https://doi.org/10.56799/ekoma.v5i4.16384.