Dada, K.S.J. 2026. Applied Informatics: Librarian Scepticism of Artificial Intelligence in Information Retrieval — Does AI Promote Library Usage or Displace It? Evidence from the Nigerian University Library Landscape: Applied Informatics: Librarian Scepticism of Artificial Intelligence in Information Retrieval . Data Science: Journal of Computing and Applied Informatics. 10, 2 (Sep. 2026), 021–030. DOI:https://doi.org/10.32734/jocai.v10i2.25832.