Weixiang, D. G., Qiaoran, L., & Mengfei, D. X. (2026). From Upward Career-Development Signals to Employee Loyalty: The Mediating Roles of Promotion Opportunity Fairness and Organisational Support Under Resource Concentration in Chinese Private Firms. Global Journal of Education, Finance and Management, 2(07), 231-250. https://doi.org/10.65150/EP-gjefm/V2E7/2026-04