Kumsawat, P. , Pasitwilitham, K. , Attakitmongcol, K. , Srikaew, A. (2011), 'An Artificial Intelligent Technique for Robust Digital Watermarking in Multiwavelet Domain', World Academy of Science, Engineering and Technology, Open Science Index 60, International Journal of Computer and Information Engineering, 5(12), 1512 - 1517.