Developing an h-index for OSS developers. - Andrea Capiluppi; Alexander Serebrenik; Ahmmad Youssef (MSR, 2012)

The impact of developer team sizes on the structural attributes of software. - Ahmmad Youssef; Andrea Capiluppi (IWPSE, 2015)

Mining software repositories to determine the impact of team factors on the structural attributes of software. - Ahmmad Youssef (2019)