LE, Thanh Ha; PHAM, Xuan Kien. 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, p. 36–49, 2026. DOI: 10.52932/jfmr.v17i1enes.1235. Disponível em: https://jfm.edu.vn/index.php/jfme/article/view/1235. Acesso em: 12 sep. 2026.