Дмитрієва, С. М., and Л. П. Бутузова. “Development of Young people’s Assertiveness As a Condition of Their Aggressiveness Ecological Transformation”. Herald of Kyiv Institute of Business and Technology, Vol. 47, no. 1, Aug. 2021, pp. 64-72, doi:10.37203/kibit.2021.47.09.