@misc{misc, title = {{Snowball Sampling}}, publisher = {{Sage Publications, Inc.}}, url = {{http://dx.doi.org/10.4135/9781412950589.n931 }}, year = {{2003}}, month = {{1}}, author = {{}}, doi = {{10.4135/9781412950589.n931}}, note = {{Accessed on 2024/12/22}}}