@inbook{inbook, title = {{Chapter 2 Social Network Sites}}, publisher = {{Elsevier}}, url = {{https://doi.org/10.1016/s0065-2458(09)01002-x }}, year = {{2009}}, month = {{1}}, author = {{Thelwall M}}, doi = {{10.1016/s0065-2458(09)01002-x}}, pages = {{19-73}}, note = {{Accessed on 2025/06/29}}}