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Author

Ralph Lenz

3 books found

Cover of Sustainable Environmental Management

Sustainable Environmental Management

Jatna Supriatna, Ralph Lenz · First published 2025

Placeholder cover for Technological forecasting

Technological forecasting

Ralph Charles Lenz · First published 1962

Placeholder cover for A development of explicit methods in technological forecasting

A development of explicit methods in technological forecasting

Ralph Charles Lenz · First published 1959