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The factor price frontier with embodied technical progress
Levhari, David, (1970)
Capital-labor substitution in manufacturing in underdeveloped countries
Clague, Christopher K., (1969)
A propos de la définition du travail productif : une incursion chez les grands anciens
Herland, Michel, (1977)
Coffe in the Kenyan economy : an econometric analysis
Maitha, J. K., (1974)
Coffee supply responses : an international comparison
Maitha, J. K., (1970)
A short-term employment function for Kenyan manufacturing
Maitha, J. K., (1972)