CHIKIRISOV, D. IDENTIFICATION OF THE MASS MEDIA COMPANY MARKET COMPETITIVE POSITION USING METHODOLOGICAL APPROACHES OF THE PORTFOLIO ANALYSIS. Науковий вісник Полісся, [S. l.], v. 2, n. 1(9), p. 179–184, 2017. Disponível em: http://nvp.stu.cn.ua/article/view/102233. Acesso em: 22 груд. 2024.