Franck BAFOSAMBI BATALEYANA, Faustin MBUYI KABAMBA, Freddy BOKUNGU LIKIYO and Chantal KIPITI (2026) “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, 5(4), pp. 539–554. doi: 10.63883/ijsrisjournal.v5i4.873.