Elfaham, Karim. “Testing Liquidity Persistence Among Firm-Specific and Macroeconomic Factors During Periods of Economic Instability in Egypt Using GMM Estimation ”. The Arab Journal of Administration 45, no. 5 (October 1, 2025): 419–438. Accessed December 28, 2025. https://ajajournal.org/aja/article/view/632.