Leonardi, L.; Tundjung, T. Reconstruction of Business Licensing Governance Through Online Single Submission (OSS) from the Perspective of Efficiency and Legal Certainty: Rekonstruksi Tata Kelola Perizinan Usaha Melalui Online Single Submission (OSS) Menurut Perspektif Efisiensi Dan Kepastian Hukum. ijler 2025, 20, 10.21070/ijler.v20i4.1391.