Lazareva, T. V. “Problems of Vocational Training, Retraining and Improvement of Professional Skill of Jobless Citizens (on an Example of the Center of Employment of the Population of Novokuznetsk)”. Eurasian Journal of Economics and Management, no. 1, June 2010, pp. 145-8, https://journals.vsu.ru/econ/article/view/10433.