Mansfield, Edwin
Industrial research and technological innovation : an econometric analysis .-- London : Longsmans, Green & Co Ltd. , 1969
.--XVIII, 235 p. 24 cm.
INDUSTRIA
INVESTIGACION CIENTIFICA
TECNOLOGIA
DESARROLLO TECNOLOGICO
Industrial research and technological innovation : an econometric analysis .-- London : Longsmans, Green & Co Ltd. , 1969
.--XVIII, 235 p. 24 cm.
INDUSTRIA
INVESTIGACION CIENTIFICA
TECNOLOGIA
DESARROLLO TECNOLOGICO