HYRÁNEK, Eduard - MIŠOTA, Branislav. Performance Analysis Firm Operating in the Sector of IT Services Through the Model HGN. In Current Problems of the Corporate Sector 2020. International Scientific Conference. Current Problems of the Corporate Sector 2020 : 17th International Scientific Conference. - Paris : Édition Diffusion Presse Sciences, 2020. ISSN 2261-2424, pp. [1-8] online. VEGA 1/0462/19.