Kamal, M. H. M. ., R. C. . Mat, N. A. . Rahim, N. . Husin, and I. . Ismail. “Intellectual Capital and Firm Performance of Commercial Banks in Malaysia”. Asian Economic and Financial Review, vol. 2, no. 4, Aug. 2012, pp. 577-90, https://archive.aessweb.com/index.php/5002/article/view/782.