Vitchenko AO, Vitchenko AY, Izhutova IV, Aleksandrova LG, Romaniuk VL. Activating the cognitive learning activity through “Dead” case. lingcure [Internet]. 2021Aug.1 [cited 2025Apr.21];5(S2):599-607. Available from: https://lingcure.org/index.php/journal/article/view/1394