Fowler, Floyd, J. <br/><br/>
Survey research methods/2nd ed. 

 - 2nd ed. 
 - New Delhi  Sage Publications  1993 
<br/><br/><label>Subjects--Index Terms: </label>Research-survey method  Sampling  Survey Interviewing  Ethical issues in survey research  Data Collection 
<br/><br/><label>Dewey Class. No.: </label>001.433