Smith, Michael, William Lawson, Atila Ertas, and James Surles. “Process of Measuring the Maintainability of Commercial Off-the-Shelf (COTS) Based Systems: A Complexity Approach”. Transdisciplinary Journal of Engineering & Science 110 (February 29, 2020). Accessed November 5, 2024. https://atlas-tjes.org/index.php/tjes/article/view/149.