Salter, Wilfred Edward Graham
Productivity and Technical Change .-- [Sedond edition] .-- Cambridge : University Press , 1969
.--XIV + 220 p. 23 cm.
DESARROLLO TECNOLOGICO
PRODUCTIVIDAD
Productivity and Technical Change .-- [Sedond edition] .-- Cambridge : University Press , 1969
.--XIV + 220 p. 23 cm.
DESARROLLO TECNOLOGICO
PRODUCTIVIDAD