https://archive.optsee.com/optsee-selected-as-ppm-teaching-application-for-pennwharton-program/https://archive.optsee.com/free-ppm-project-ranking-spreadsheet-available-from-data-machines-inc/https://archive.optsee.com/data-machines-founder-profiled-for-the-university-of-pennsylvania/https://archive.optsee.com/hot-summer-days-at-data-machines/https://archive.optsee.com/prioritization-without-optimization-is-like-soup-without-water/https://archive.optsee.com/optsee-in-the-classroom-reflections-on-the-penn-wharton-emtm-information-technology-strategy-course/https://archive.optsee.com/optsee-in-education-discussed-in-decision-analysis-today-article/https://archive.optsee.com/optsee-5-public-beta-released/