Towards a model for the development and assessment of competencies through formative projects. - Sergio Cardona; Jeimy Velez; Sergio Tobón (CLEI, 2013)

Towards a Model for the Development and Assessment of Competences through Formative Projects. - Sergio Cardona; Jeimy Velez; Sergio Tobón (CLEI Electron. J., 2014)

Formación por Competencias en Moodle: un Caso de Estudio. - Sergio Cardona; Jeimy Velez; Sergio Tobón (Rev. Colomb. de Computación, 2014)