Tsagem, M. M., N. Aripin, and R. Ishak. “Cash Conversion Cycle and Profitability of Nigerian Small and Medium-Sized Entities: An Empirical Analysis”. International Journal of Banking and Finance, vol. 13, no. 1, Mar. 2018, pp. 49-69, https://e-journal.uum.edu.my/index.php/ijbf/article/view/8498.