Ningsi, Etty Harya. “THE EFFECT OF WORKING CAPITAL EFFICIENCY AND THE LEVEL OF LIQUIDITY ON PROFITABILITY IN THE MINING INDUSTRY REGISTERED IN INDONESIA STOCK ECHANGE ”. Enrichment : Journal of Management 11, no. 2 (May 31, 2021): 602-608. Accessed October 14, 2026. https://www.enrichment.iocspublisher.org/index.php/enrichment/article/view/206.