Kartika, Sri, Ecin Kuraesin, and Syahlan A. Sume. “PENGARUH SALES PROMOTION TERHADAP PENINGKATAN JUMLAH NASABAH TABUNGAN PADA BANK TABUNGAN NEGARA (Persero) CABANG BOGOR”. inovator 3, no. 2 (September 10, 2014). Accessed February 22, 2025. http://360665.5mvk4.group/index.php/INOVATOR/article/view/661.