Qualitative tests for data collection (re-)design : the case of POLS / Hans C. Akkerboom, Francine M.J. Dehue, Ger J.M.E. Snijkers

Qualitative tests for data collection (re-)design : the case of POLS / Hans C. Akkerboom, Francine M.J. Dehue, Ger J.M.E. Snijkers