Effect of Operating Costs, Sales Volume, Working Capital and Assets Turnover on Net Profit: Pengaruh Biaya Operasional, Volume Penjualan, Modal Kerja dan Perputaran Aktiva Terhadap Laba Bersih. (2018). Indonesian Journal of Law and Economics Review, 1(3), 10.21070/ijler.v2i1.82. https://doi.org/10.21070/ijler.v2i1.82