Suryono, I. A. ., Yacobus, A. ., & Brigitta , M. Y. F. . (2021). Amidst COVID – 19 Pandemic: How to Gain Customer Advocacy for Indonesian Online Marketplaces Selling Luxury Products?. RSF Conference Series: Business, Management and Social Sciences, 1(3), 199–210. https://doi.org/10.31098/bmss.v1i3.320