Burkšaitienė, N. and Šliogerienė, J. 2017. VALIDATION OF LEARNING OUTCOMES GAINED OUTSIDE ACADEMIA: A LITHUANIAN CASE OF PORTFOLIO TRAINING. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference. 2, (May 2017), 397–409. DOI:https://doi.org/10.17770/sie2017vol2.2286.