Preliminary lessons from a software evolution analysis of Moodle. - Héctor J. Macho; Gregorio Robles (TEEM, 2013)

Evaluation of FLOSS by Analyzing Its Software Evolution: An Example using the Moodle Platform. - Héctor J. Macho; Gregorio Robles; Jesús M. González-Barahona (J. Inf. Technol. Res., 2015)