BUSINESS COMMUNICATION STRATEGY IN IMPROVING SERVICE QUALITY AT THE PUTRI SHOP OF THE AL-MASHDUQIAH ISLAMIC BOARDING SCHOOL. jizzi [Internet]. 30 Mei 2025 [dikutip 19 April 2026];5(2):53-9. Tersedia pada: https://jurnalstebibama.ac.id/index.php/jizzi/article/view/9