Bhalla, A. S.
Towards global action for appropriate technology - 1979 Pergamon - xviii, 220 p. ill. 22 cm - Pergamon international library of science, technology, engineering and social studies .
0080242774
SCIENCE AND TECHNOLOGY
APPROPRIATE TECHNOLOGY
TECHNOLOGY
Towards global action for appropriate technology - 1979 Pergamon - xviii, 220 p. ill. 22 cm - Pergamon international library of science, technology, engineering and social studies .
0080242774
SCIENCE AND TECHNOLOGY
APPROPRIATE TECHNOLOGY
TECHNOLOGY