Padovani, Stephania, and Janayna Velozo. “Improving Hypertext Navigation Map Usability through Graphic Differentiation Techniques”. InfoDesign - Journal of Information Design 4, no. 2 (September 21, 2010): 39–49. Accessed March 13, 2025. https://infodesign.org.br/infodesign/article/view/40.