PANKOU, Mikalai M. Methodical approaches to classification and estimation of elements of investment activity: selected theoretical aspects. Journal of the Belarusian State University. Economics, [S. l.], n. 2, p. 34–41, 2019. Disponível em: https://journals.bsu.by/index.php/economy/article/view/2252. Acesso em: 18 jul. 2026.