1. Albeanu, G., Popentiu-Vladicescu, F.: Recent soft computing approaches in digital learning object evaluation. In: 8th International Scientific Conference eLearning and Software for Education, pp. 16–21 (2012)
2. Albeanu, G., Popentiu-Vladicescu, F.: On designing learning objects for a software reliability engineering course. In: 7th International Scientific Conference eLearning and Software for Education, pp. 105–110
3. Albeanu, G., Duda, I.G.: Intuitionistic fuzzy approaches for quality evaluation of learning objects. In: 17th ISSAT International Conference on Reliability and Quality in Design, International Society of Science and Applied Technologies, pp. 258–262 (2011)
4. Atanassov, K.T.: Intuitionistic fuzzy sets. Physica-Verlag, Heidelberg (1999)
5. Brotherton, M.D., Huynh-Thu Q., Hands D.S., Brunnström K.: Subjective multimedia quality assessment. IEICE Trans. Fundam. E89(A 11) 2920–2932 (2006)