ZULFIQAR, H. M.; MEMON, P.; ANWAR, M.; LAGHARI, I. A. TOXIC LEADERSHIP AND THE MUM EFFECT: PSYCHOLOGICAL SAFETY AS A MEDIATING MECHANISM IN UPWARD COMMUNICATION SUPPRESSION. JOURNAL OF SOCIAL RESEARCH DEVELOPMENT, [S. l.], v. 7, n. 9, p. 399–418, 2026. DOI: 10.59075/jsrd.v7i9.661. Disponível em: https://jsrd.org.pk/index.php/jsrd/article/view/661. Acesso em: 10 nov. 2026.