Some Swedish survey experiences are 
"Environmental expenditures for industrial enterprises" 
and " Foreign tourists visiting Sweden". 
From abroad will be mentioned "Course in making a 
survey with application  to Agriculture in Kosovo" and 
"Household budget survey in Cambodia".

Particularly math. stat. applications are:
- the different kinds of random sampling
- the analysis including inference from sample to population
- estimation with use of correlated variables (Calibration)