Lawal, A. A., B. I. Abiola, and O. M. Oyewole. “Effect of Working Capital Management on the Profitability of Selected Manufacturing Companies in Nigeria”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 19, no. 2, Jan. 2015, pp. 370-86, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/3281.