518- Special Conceptions of Socialist Economy: (Part 1) Conceptions of planning

505- The System of Planning in a Socialist Economy

495- Basic Principles of the New Economic System of Planning and Managing of National Economy in Socialist Countries

610- Theoretical Problems of Industrial Planning- Part II -The System of Industrial Planning

599-1-Theoretical Problems of Industrial Planning (Part I: Introduction)

599-3-Theoretical Problems of Industrial Planning (PART III : The Instruments of Industrial Planning)

153- Some Ideas about Economic Planning in Developing Countries

997- The Institutional Framework of Socialist Foreign Trade Planning and the Way of Drawing Up the Plan

1131- Price Planning in Socialism (bases and possibilities - its Preparation, Implementation and Organization at the case of the German Democratic Republic)

597-1-Planning of Production in Socialist Industry (Part I: Instruments and Indicators)