SAOULI, Y. Study of the reality of economic diversification in Algeria for the period 2000-2022, using the Herfindahl-Hirschman index. International journal of economic perspectives, [S. l.], v. 19, n. 4, p. 1494–1506, 2025. Disponível em: http://ijeponline.org/index.php/journal/article/view/937. Acesso em: 13 nov. 2025.