Situmorang, Humala. “THE INFLUENCE ANALYSIS OF LIQUDITY LEVEL, LEVERAGE AND LEVEL OF CORPORATE ACTIVITY TO ECONOMIC PROFITABILITY OF PT. PT KOBEXINDO TRAKTOR, Tbk, 2016 2017”. Fundamental Management Journal 3, no. 1p (June 19, 2018): 49–64. Accessed April 3, 2025. http://ejournal.uki.ac.id/index.php/jm/article/view/735.