Evolution of Influential Developer's Communities in OSS and its Impact on Quality. - Beenish Khan; Muhammad Rafiq Mufti; Asad Habib; Humaira Afzal; Muhammad Abdul Moiz Zia; Afshan Almas; Shahid Hussain 001; Bashir Ahmad 001 (Intell. Autom. Soft Comput., 2021)