Data collection in developing countries /
Casley, Dennis J.
Data collection in developing countries / D. J. Casley and D. A. Lury. - 2nd ed. - Oxford : Clarendon Press, 1987. - 225 p.
0198772823
Data collection.
Statistics.
Developing countries.
HA 31.2
Data collection in developing countries / D. J. Casley and D. A. Lury. - 2nd ed. - Oxford : Clarendon Press, 1987. - 225 p.
0198772823
Data collection.
Statistics.
Developing countries.
HA 31.2