Purba, Natria R. A., and Feby Aulia Safrin. “The Effect Of Reference Group And Perceived Price On Brand Switching E-Commerce Shopee In Medan”. Journal Arbitrase : Economy, Management and Accounting 1, no. 01 (June 28, 2023): 61–67. Accessed April 16, 2026. http://paspama.org/index.php/Arbitrase/article/view/45.