Pakpahan, A.F. 2026. Design and Implementation of Certify @ UNAI: A Next.js 14-Based Certification Management Training Platform. 12th International Scholars Conference 2025. 12, 7 (Feb. 2026), 1338–1351. DOI:https://doi.org/10.31154/isc12.v12i7.119.1338-1351.