Ebe Emmanuel Chukwuma, Nnado Ifeanyi Celestine, and Ozouli Caroline Nkechinyere. “Operating Leverage, Firm Size and Return on Assets of Quoted Financial Firms in Nigeria”. 2023. The International Journal of Business & Management, vol. 11, no. 1, Apr. 2023, doi:10.24940/theijbm/2023/v11/i1/BM2210-023.