Franck BAFOSAMBI BATALEYANA, Faustin MBUYI KABAMBA, Freddy BOKUNGU LIKIYO, and 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, vol. 5, no. 4, Aug. 2026, pp. 539-54, doi:10.63883/ijsrisjournal.v5i4.873.