Appropriate technology: Precepts and practices
Das, Ram
Appropriate technology: Precepts and practices - New York Vantage Press 1981 - 311p.
ISBN 53304744
338.9:6 / D26A
Appropriate technology: Precepts and practices - New York Vantage Press 1981 - 311p.
ISBN 53304744
338.9:6 / D26A