The Education on The Use of Mobile Maslahah for New Customers Through Whatsapp at Bank Jabar Banten Syariah Sub-Branch Office Banjar City. Indones. J. Community Serv. Empower. [Internet]. 14 September 2025 [dikutip 29 Oktober 2026];1(1):7-12. Tersedia pada: https://kalimasadajournals.com/index.php/IJCSE/article/view/49