Suzer Gurtekin, Tuba; Leeuw, Edith D; Hox, Joop J. (2018).
The Design and Implementation of Mixed-mode Surveys. In Johnson, Timothy P., Pennell, Beth-Ellen, Stoop, Ineke A. L., Dorer, Brita (Ed.), Advances in Comparative Survey Methods: Multinational, Multiregional, and Multicultural Contexts (3MC). 385-408.