Sadaf Iqbal, Professor.Dr. Muhammad Naveed and Dr. Waheed Ullah (2026) “DOES LIQUIDITY IMPROVE THE CARHART FOUR-FACTOR MODEL? EVIDENCE FROM THE PAKISTAN STOCK EXCHANGE”, Journal for Social Science Studies, 4(2), pp. 20–32. Available at: https://journalofsocialscience.com/index.php/Journal/article/view/64 (Accessed: 1 August 2026).