The Sources of innovation /
Hippel, Eric von.
The Sources of innovation / by Eric von Hippel. - New York : Oxford, 1988. - 218 p. : ; 24 cm.
Includes index.
Research in economics highlighting the customers' needs.
0195094220
8628620
Technological innovations--Economic aspects.
The Sources of innovation / by Eric von Hippel. - New York : Oxford, 1988. - 218 p. : ; 24 cm.
Includes index.
Research in economics highlighting the customers' needs.
0195094220
8628620
Technological innovations--Economic aspects.