Siagian, Ade, Dodi Prasada, Agus Sudarsono, & Hadion Wijoyo.
" During the Pandemic Perceived Quality Forms Customer Loyalty via Brand Equity Oppo Smartphone Users." <em>UNEJ e-Proceeding</em> [Online], (2021): 80-86. Web. 25 Jan. 2025<div style=" display: none;">	
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