Ranking Learning Objects through Integration of Different Quality Indicators. - Javier Sanz-Rodriguez; Juan Manuel Dodero; Salvador Sánchez-Alonso (IEEE Trans. Learn. Technol., 2010)

Metrics-based evaluation of learning object reusability. - Javier Sanz-Rodriguez; Juan Manuel Dodero; Salvador Sánchez-Alonso (Softw. Qual. J., 2011)