TY  - BOOK
AU  - Bilsborrow,Richard E.
AU  - Oberai,A.S.
AU  - Standing,Guy
TI  - Migration surveys in low-income countries: guidelines for survey and questionnaire design 
SN  - 0-7099-3266-9
AV  - HB1952 B55
PY  - 1984///
N1  - Notas al pie de pagina; Bibliografia : p. 499-535
ER  -