Nurhayati, Rina. “BRAND EQUITY STIE SYARI’AH DARUL ULUM PURWAKARTA”. Jurnal E-Bis 2, no. 2 (November 20, 2018): 71 - 80. Accessed November 6, 2024. https://jurnal.politeknik-kebumen.ac.id/E-Bis/article/view/86.