Pengaruh rasio keuangan current asset turnover, net profit margin, fixed asset turnover, account receivable turnover account payable turnover, dan inventory turnover terhadap profitabilitas pada perusahaan manufaktur yang terdaftar di Bursa Efek Indonesia Periode 2008-2012 = The impact of financial ratios current asset turnover, net profit margin, fixed asset turnover, account receivable turnover account payable turnover and inventory turnover in the manufacturing company listed on The Indonesia Stock Exchange period 2008-2012