FRANCK BAFOSAMBI BATALEYANA; FAUSTIN MBUYI KABAMBA; FREDDY BOKUNGU LIKIYO; CHANTAL KIPITI. Two economies: the old and the new – a key concept in the transformation of economic systems and how to manage organisations today. International Journal of Scientific Research and Innovative Studies, [S. l.], v. 5, n. 4, p. 539–554, 2026. DOI: 10.63883/ijsrisjournal.v5i4.873. Disponível em: https://ijsrisjournal.com/index.php/ojsfiles/article/view/873. Acesso em: 4 sep. 2026.