TY  - BOOK
AU  - Boon,Gerard Karel
TI  - Economic choice of human and physical factors in production: an attempt to measure the micro-economic and macro-economic possibilities of variation in factor proportions of productions 
T2  - Contributions to economic analysis
U1  - 378.0095 23
PY  - 1964///
CY  - Amsterdam
PB  - North-Holland
KW  - Labor productivity.
KW  - Developing countries
KW  - Economic development
N1  - Includes index
ER  -