BUSINESS COMMUNICATION STRATEGY IN IMPROVING SERVICE QUALITY AT THE PUTRI SHOP OF THE AL-MASHDUQIAH ISLAMIC BOARDING SCHOOL. IZZI: Jurnal Ekonomi Islam [Internet]. 2025 May 30 [cited 2026 Jun. 10];5(2):53-9. Available from: https://jurnalstebibama.ac.id/index.php/jizzi/article/view/9