Ardiansyah M, Hidayati T. Adoption of Umar Bin Abdul Aziz’s Principles of Social Justice and Welfare in the Start-up Business Ecosystem. At-Tafkir [Internet]. 2024Oct.10 [cited 2025Jul.6];17(1):94-106. Available from: https://journal.iainlangsa.ac.id/index.php/at/article/view/9524