FIRMANSYAH, Muhammad Anang; MAHARDHIKA, Budi Wahyu; SUSANTI, Ani. Pengaruh Strategi Diferensiasi Dan Hargaterhadap Keunggulan Bersaing Elzatta Royal Plaza Surabaya. BALANCE: Economic, Business, Management and Accounting Journal, [S. l.], v. 16, n. 2, 2019. DOI: 10.30651/blc.v16i2.3138. Disponível em: https://journal.um-surabaya.ac.id/balance/article/view/3138. Acesso em: 13 okt. 2026.