Silalahi, Samuel Parlindungan, et al. “Pengaruh Working Capital Turnover, Sales Growth, Dan Liquidity Terhadap Profitability”. ULIL ALBAB : Jurnal Ilmiah Multidisiplin, vol. 3, no. 5, Apr. 2024, pp. 106-14, doi:10.56799/jim.v3i5.3360.