Leli Afrida, Nina Siti Salmaniah Siregar and Budi Hartono 2024. Implementation of OSS Application-Based Licensing Services at the Investment Office and One-Stop Integrated Licensing Services of Langkat Regency. Journal of Social Interactions and Humanities. 3, 1 (Mar. 2024), 13–22. DOI:https://doi.org/10.55927/jsih.v3i1.8423.