Kaldoja, M.-L., A. Mäeots, M. Tolli, and H. Saareoja. “Suitability of the Estonian Adaption of the Ages and Stages Questionnaires: Social-Emotional 2nd Ed (ASQ:SE-2) 36 Month Questionnaire to Assess Social-Emotional Behaviour in 3-Year-Old Estonian Children”. Eesti Haridusteaduste Ajakiri. Estonian Journal of Education, vol. 9, no. 1, May 2021, pp. 162-85, doi:10.12697/eha.2021.9.1.07.