Appropriate technology technology with a human face
Dunn, P. D. 1927-
Appropriate technology technology with a human face P. D. Dunn - New York Schocken Books 1979, c1978 - ix, 220 p. ill. 23 cm
Technology
Technology--Developing countries
609 / .172 / 4
Appropriate technology technology with a human face P. D. Dunn - New York Schocken Books 1979, c1978 - ix, 220 p. ill. 23 cm
Technology
Technology--Developing countries
609 / .172 / 4