Girko, Ph. D. Sergey I., Ph. D. Anna V. Gubareva, y Ph. D. Kseniya E. Kovalenko. «On the Right of Employees to Additional Vocational Education: Labor Law and Educational Aspects». Revista Conrado 13, no. 60 (diciembre 1, 2017): 83–86. Accedido abril 24, 2026. https://conrado.ucf.edu.cu/index.php/conrado/article/view/576.