Competitive Strategies of Private Islamic Higher Education in Sidoarjo: Strategi Kompetitif Pendidikan Tinggi Islam Swasta di Sidoarjo. adabiyah [Internet]. 2025 Sept. 11 [cited 2026 Nov. 6];6(2):10.21070/adabiyah.v6i2.1742. Available from: https://adabiyah.umsida.ac.id/index.php/adabiyah/article/view/1742