Abdullah, A., and Z. A.N. “ASCERTAINING FACTORS MOTIVATING USE OF DIGITAL LIBRARIES AND SUITCASE USER REQUIREMENT USING ZACHMAN FRAMEWORK”. Malaysian Journal of Library and Information Science, vol. 11, no. 2, Dec. 2006, pp. 21-40, http://mjlis.um.edu.my/index.php/MJLIS/article/view/7830.