Porter, Susan G., Stephen P. Koch, and Andrew Henderson. “What Do All These Numbers Mean? Data Visualization As an Innovative Methodology to Make Program Decisions”. Journal of MultiDisciplinary Evaluation 6, no. 13 (January 15, 2010): 163–181. Accessed April 25, 2024. https://journals.sfu.ca/jmde/index.php/jmde_1/article/view/261.