Põlda, H., and K. Aava. “Construction of the Meaning of Giftedness As a Special Educational Need in the Context of the Changed Learning Approach in Estonia”. Eesti Haridusteaduste Ajakiri. Estonian Journal of Education, vol. 4, no. 2, Oct. 2016, pp. 89-117, doi:10.12697/eha.2016.4.2.05.