Holub, Ilja, and Tomas Bruckner. “Measuring Complexity of SAP Systems”. Complex Systems Informatics and Modeling Quarterly, no. 8 (November 4, 2016): 60–67. Accessed March 7, 2026. https://csimq-journals.rtu.lv/csimq/article/view/csimq.2016-8.05.