Surveys - Methodology.

Survey methodology / by: (書目-語言資料,印刷品)

Research design = the survey / by: (書目-投影資料、錄影資料、電影片)

The Problem with survey research / by: (書目-語言資料,印刷品)

Measures of language proficiency in censuses and surveys = a comparative analysis and assessment / by: (書目-電子資源)