Bulajeva T. EDUCATION OF PUPILS’ COGNITIVE SKILLS THROUGH APPLICATION OF VIRTUAL AND REAL EXPERIMENTS IN CHEMISTRY LESSONS (The Doctoral Dissertation of Roman Voronovič). ActPaed [Internet]. 2013 Jan. 1 [cited 2025 Dec. 6];31:147-8. Available from: https://www.journals.vu.lt/acta-paedagogica-vilnensia/article/view/2507