Cite
@article{google-summer-of-code-student-2020,
author = {Jefferson O. Silva and Igor Scaliante Wiese and Daniel M. German and Christoph Treude and Marco A. Gerosa and Igor Steinmacher},
title = {Google Summer of Code: Student Motivations and Contributions},
journal = {Journal of Systems and Software},
year = {2020},
volume = {162},
pages = {110487},
doi = {10.1016/j.jss.2019.110487}
}