Širiakovienė, Asta. “Užklasinis Darbinis Mokymas (1947-1989)”. Acta Paedagogica Vilnensia 2 (December 28, 1993): 46–56. Accessed May 4, 2024. https://www.zurnalai.vu.lt/acta-paedagogica-vilnensia/article/view/9365.