Roger D. H. Warburton, and Denis F. Cioffi. “EARNED COST COMPLEMENTS EARNED SCHEDULE, GENERATES AN ESTIMATE OF THE FINAL COST, AND FORMALLY UNIFIES EARNED VALUE MANAGEMENT ”. The Journal of Modern Project Management 13, no. 1 (September 14, 2025): 20–35. Accessed October 13, 2025. https://journalmodernpm.com/manuscript/index.php/jmpm/article/view/854.