Valatkienė, Stasė. “The Self-Government of Students in the Theory and Practice of „Active School””. Acta Paedagogica Vilnensia 8 (December 20, 2001): 51–57. Accessed October 25, 2025. https://test.zurnalai.vu.lt/acta-paedagogica-vilnensia/article/view/9511.