21. Being interdisciplinary, it overlaps with computer science, various social sciences, statistics, and systems analysis . 22. This approach was used by Variation Systems Analysis from VSA, now owned by Siemens. 23. New diploma programs are created in business, data processing, computer technology, and systems analysis . 24. To build the " historical component ", he frequently draws on World Systems Analysis . 25. Object-Role Modeling is a fact-oriented method for performing systems analysis at the conceptual level. 26. Immanuel Wallerstein has developed the best-known version of world-systems analysis , beginning in the 1970s. 27. He moved from manufacturing management into computer systems analysis . 28. Mykhailo Zghurovsky is a well known scientist in the fields of mathematics and System analysis . 29. He later became head of the Systems Analysis Section. 30. The GST is a multidisciplinary approach of system analysis .
