Bezpaliy, S. M. 2013. “Experimental Verification of the Program of Improvement of Physical Training of Officers-Instructors at Higher Educational Establishment of the Ministry of Internal Affairs of Ukraine”. Pedagogics, Psychology, Medical-Biological Problems of Physical Training and Sports 17 (1):3-7. https://www.sportpedagogy.org.ua/index.php/PPS/article/view/602.