Casley, D. J.
Data collection in developing countries / D. J. CAsley, D. A. Lury . - Oxford : Oxford University Press, 1981 . - XI-244 p. ; 24 cm.
Bibliogr., index
019877124X
Achat
311.
Data collection in developing countries / D. J. CAsley, D. A. Lury . - Oxford : Oxford University Press, 1981 . - XI-244 p. ; 24 cm.
Bibliogr., index
019877124X
Achat
311.