Understanding the effects of firms' unresponsiveness on social media toward customer feedback on customers' engagement : the impact of ethnicityBozkurt, Siddik; Gligor, David; Hollebeek, Linda Desiree; Sumlin, CameronJournal of research in interactive marketing2025 / p. 59-75https://doi.org/10.1108/JRIM-09-2023-0317