1. The work “Computer program “Mobile game application for entrants of the Chair of Accounting and Taxation of the Academic and Research Institute of Business, Economics and Management, Sumy State University” (A. Marchenko, V. Nenia, Yu. Serpeninova, Ya. Samusevych, Ye.Sych). Copyright certificate № 285 (2021).
2. The board game “Business Stairs” by the Senior Lecturer Yaryna Samusevych. 2021.