Symposium on the Designing and Interpreting of Questionnaires
By: edited by Clare Le Vay.
Contributors: Le Vay, Clare.
Publisher: University College of Wales, Department of Agricultural Economics
Published: 1975
Place of publication: Aberystwyth
Language: eng
Number of pages: 171
Subjects: Agriculture -- Economic aspects -- Research -- Congresses.; Questionnaires -- Congresses.