1. Albeanu G, Vladicescu FP. Recent Soft Computing Approaches in Digital Learning Object Evaluation. In: The 8thInternational Scientific Conference eLearning and Software for Education; April 26-27, Romania, 2012, 2, p. 16-21.
2. Belton V, Stewart TJ. Multiple Criteria Decision Analysis: An Integrated Approach. 1st ed. Dordrecht: Kluwer Academic Publishers; 2002.
3. IEEE LOM. IEEE 1484.12.1-2002 Standard for Learning Object Metadata http://ltsc.ieee.org/wg12 (retrieved June 2016).
4. Hwang CL, Yoon K. Multiple attributes decision making methods and applications. 1st ed. Germany: Springer; 1981.
5. Methodology for Evaluating Quality and Reusability of Learning Objects;Kurilovas;Electronic Journal of e-Learning,2011