Within the systems movement, there are multiple paths to develop syste
ms methodologies and systems thinking. One way is to review various ma
nagement technologies (e.g., Operational Research (OR), Information Sy
stems Design, Accounting and Logistics Management) from a systems pers
pective. Multiperspective, Systems-based (MPSB) Research is a research
programme, based on Critical Systems Thinking, that works along this
path. A brief review of OR and Business Processing Re-engineering (BPR
) is provided to facilitate an introduction to the MPSB research. This
paper also defines the MPSB research and the terms used in it.