Umar A, Muhammad. 2015. “PENGARUH DIMENSI EKUITAS MEREK TERHADAP KEPUTUSAN PEMBELIAN HANDPHONE MEREK BLACKBERRY (PENGGUNA HANDPHONE BLACKBERRY DI UNIVERSITAS ALKHAIRAAT PALU)”. Jurnal Ekonomi Trend 3 (2), 31-36. https://doi.org/10.31970/trend.v3i2.47.