Rostami,V , , Khayam haghighi,Z , and Motazedi,G . "The Effect of Family Ownership, Cost Leadership Strategy, Managers' Narcissism, and Social Responsibility on the Speed of Working Capital Adjustment" .e107106 , Interdisciplinary Journal of Management Studies, , , 2026, e107106. doi: 10.22059/ijms.2026.403212.678082