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Leon Willenborg Contributions to a methodology of computer aided questionnaire design (DCC 37)
Engels | 62 pagina's | Netherlands Central Bureau of Statistics, Department of Statistical Methods, Voorburg | 1986
Gedrukt boek
Leon Willenborg Two characterizations of the routing structure in a questionnaire
balance and complexity (DCC 27)
Engels | Netherlands Central Bureau of Statistics, Department of Statistical Methods, Heerlen | 1986
Gedrukt boek