Bickart, B., Schmittlein, D. The Distribution of Survey Contact and Participation in the United States. 1999 с. 286 - 295,.
Bickart, B., Schmittlein, D. The Distribution of Survey Contact and Participation in the United States. 1999 с. 286 - 295,.
Bickart, B., Schmittlein, D. (1999) The Distribution of Survey Contact and Participation in the United States, с. 286 - 295,.
Bickart, B., & Schmittlein, D. (1999). The Distribution of Survey Contact and Participation in the United States. Constructing a Survey-Based Estimate. с. 286 - 295.
Bickart B, Schmittlein D. The Distribution of Survey Contact and Participation in the United States: Constructing a Survey-Based Estimate. 1999. p. с. 286 - 295.
