1. Development of Grey System Research -- 2. Basic models in grey systems theory -- 3. Grey systems and uncertainty modelling -- 4. Agent-based modelling in grey economic systems -- 5. Selection of the company’s strategy using Grey Stratified Decisions Model. .

Introduction -- Characteristics of grey system theory -- Grey Numbers and their Operations -- Sequence Operators and Grey Data Mining -- Grey Relational Analysis Models -- Grey Clustering Evaluation Models.