Suleiman, A. B., E. D. Ajik, and S. A. Sule. “Leveraging Sentiment Analysis to Optimize Customer Experience in Digital Wallets: A Case of Opay Wallet”. Nigerian Journal of Physics, vol. 33, no. 4, Dec. 2024, pp. 147-56, doi:10.62292/njp.v33i4.2024.322.