Joel, J. et al. 2026. Assessing the Role of Exemption Certificates in Minimizing Import Income Tax Article 22 Prepayments: A Case Study of PT Sumber Alfa Makmur. Business, Economics, Law, Communication, and Social Sciences. 2, 1 (Jan. 2026), 118–125. DOI:https://doi.org/10.66755/belacoss.v2i1.169.