?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.sciaf.2024.e02223&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=F.E.&rft.aulast=Usman-Hamza&rft.au=Usman-Hamza%2C+F.E.&rft.atitle=Sampling-based+novel+heterogeneous+multi-layer+stacking+ensemble+method+for+telecom+customer+churn+prediction&rft.volume=24&rft.title=Scientific+African&rft.date=2024&rft.genre=article