Ginting, Wenny. “ANALISIS PENGARUH CURRENT RATIO, WORKING CAPITAL TURNOVER, DAN TOTAL ASSET TURNOVER TERHADAP RETURN ON ASSET”. Valid: Jurnal Ilmiah 15, no. 2 (July 24, 2018): 163-172. Accessed January 19, 2022. http://journal.stieamm.ac.id/index.php/valid/article/view/73.