Akber, U. ., & Muhammad, N. . (2014). Is Pakistan Stock Market Moving towards Weak-Form Efficiency? Evidence from The Karachi Stock Exchange and the Random Walk Nature of Free-Float of Shares of KSE 30 Index. Asian Economic and Financial Review, 4(6), 808–836. Retrieved from https://archive.aessweb.com/index.php/5002/article/view/1211