Paulauskas, Rolandas. “Philosophical Pedagogy of S. Šalkauskis”. Acta Paedagogica Vilnensia 1 (December 20, 1991): 28–42. Accessed November 17, 2025. https://www.zurnalai.vu.lt/acta-paedagogica-vilnensia/article/view/9344.