The Role of Role Ambiguity, Role Conflict, Perceived Organizational Support, and Self-Efficacy on Work Engagement: The Case of Hong Kong Construction Professionals. SBS Journal of Applied Business Research, [S. l.], v. 1, n. 1, 2026. DOI: 10.70301/. Disponível em: https://jabr.sbs.edu/article/view/254. Acesso em: 17 jun. 2026.