Model Program Khutbah Jumat Di Masjid Al-Ikhlash Surabaya: Perspektif Manajemen Operasi. MASJIDUNA [Internet]. 2019 Jun. 30 [cited 2025 Dec. 25];2(1):26-42. Available from: http://ejournal.stidkiarrahmah.ac.id/index.php/MASJIDUNA/article/view/49