Бурмистрова, Е. В., and Е. Л. Попченко, “PECULIARITIES OF EVALUATING THE PRODUCTIVITY OF LABOR IN THE CONDITIONS OF ECONOMIC UNCERTAINTY”, Статьи, Среднерусский вестник общественных наук, 12/6 (2017), 284-91, https://doi.org/10.22394/2071-2367-2017-12-6-284-291.