Bolach, Bartosz, and Tetyana Pystupa. 2013. “OVERALL ASSESSMENT OF PHYSICAL FITNESS IN CHILDREN WITH MENTAL RETARDATION IN THE TEST ‘EUROFIT SPECIAL’”. Pedagogics, Psychology, Medical-Biological Problems of Physical Training and Sports 17 (12):110-15. https://doi.org/10.6084/m9.figshare.880637.