(n) party policy research
(n) tax inquiry
tax enquiry
tax investigation
(n) probity check
background investigation
(n) geological survey
(n) (private) investigation company
research agency
(n) (comp) study period
(n) results (of a study)
(n) assistant chief of staff, g2
(n) report (of an investigation)
investigation (investigative) report
(n) examination method
method of investigation
search procedure
(n,vs) follow-up (tracing) survey
(n) telephone survey
(n) internal inspection
(n) preliminary investigation
(n) public-opinion survey
(n) Internet poll
(n) ocean investigation ship
(n) ombudsman
(n) (Japanese) Public Security Intelligence Agency
(n) parliamentary investigation rights
(n) Select Committee on the Taxation System
(n) image survey
(n) market research organization
market research organisation
(n) credit research company
(n) demographic survey
(n) telephone poll
(n) private investigation agency
(n) survey of expenditure
(n) questionnaire survey
(n) Gallup poll
