CHRISTOPOULOU1, E. , GAROFALAKIS, J. , MAKRIS1, C. , PANAGIS, Y. , PSARAS-CHATZIGEORGIOU, A., SAKKOPOULOS, E. and TSAKALIDIS, A.A. 2003. TECHNIQUES AND METRICS FOR IMPROVING WEBSITE STRUCTUREa. Journal of Web Engineering. 2, 1-2 (Jun. 2003), 090–104.