PHAM, Xuan Kien; LE, Thanh Ha. The Impact of Social Media Usage on Organizational Citizenship Behavior in Small and Medium-Sized Enterprises in Ho Chi Minh City: The Mediating Role of Work Engagement and the Moderating Role of Digital Literacy. Journal of Finance - Marketing Research, [S. l.], v. 17, n. 1enes, 2026. DOI: 10.52932/jfmr.v4i4ene.1235. Disponível em: https://jfm.edu.vn/index.php/jfme/article/view/1235. Acesso em: 29 jul. 2026.