Fadillah Ramdhani, Muhammad, and Hari Akbar Sugiantoro. “Strategi Customer Relationship Management PT. Sahasrabhanu Cipta Karya (SBC) Dalam Membangun Loyalitas Konsumen”. Prosiding Seminar Nasional Penelitian dan Pengabdian Kepada Masyarakat LPPM Universitas ’Aisyiyah Yogyakarta 3 (March 24, 2025): 1251–1255. Accessed August 21, 2025. https://proceeding.unisayogya.ac.id/index.php/prosemnaslppm/article/view/1075.