Bergquist, Magnus, and Jan Ljungberg. n.d. “The Power of Gifts: Organizing Social Relationships in Open Source Communities.” Information Systems Journal 11 (4): 305–20. https://doi.org/10.1046/j.1365-2575.2001.00111.x.
Ducheneaut, Nicolas. 2005. “Socialization in an Open Source Software Community: A Socio-Technical Analysis.” Computer Supported Cooperative Work (CSCW) 14 (4): 323–68.
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That focus on core issues and provide further links via citations.
This having said, what would make your project different from above github survey? (Asking since surveys are quite a lot of work)
I’m not sure if this helps but IQSS (where I work) was recently awarded a related grant. “Harvard’s Institute for Quantitative Social Science will analyze the characteristics and activities of 10 successful open source projects to determine a set of guidelines that help grow and maintain a healthy open source community.” LG-72-18-0147-18 | Institute of Museum and Library Services