United Nations Publication ST/ESA/STAT/SER.F96 (2005,) pp 319-332.
Downloadable from http://unstats.un.org/unsd/hhsurveys/pdf/Household_surveys.
pdf.
The practice of sampling for household surveys
For details on pps sampling with Excel, see Household Sample Surveys in Development and Transition Countries. United Nations Publication ST/ESA/STAT/SER.F96 (2005,) pp 319-332.
Downloadable from http://unstats.un.org/unsd/hhsurveys/pdf/Household_surveys.pdf