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In Search of the Optimal Mode for Mobile Phone Surveys in Developing Countries: A Comparison of IVR, SMS, and CATI in Nigeria [journal article]
Source: Survey Research Methods, 13 (2019) 3. p.305-318
Doing a Time Use Survey on Smartphones Only: What Factors Predict Nonresponse at Different Stages of the Survey Process? [journal article]
Source: Survey Research Methods, 13 (2019) 2. p.195-213