Pengaruh inflasi, likuiditas, leverage, solvabilitas, dan hasil underwriting dana tabarru terhadap profitabilitas usaha asuransi syariah PT. Asuransi Jasa Indonesia periode Juni 2009- Juli 2012 = The influence of inflation, liquidity, leverage, solvency, and underwriting result of tabarru fund to takaful business profitability of PT. Asuransi Jasa Indonesia period June 2009 to July 2012 / Rika Andriyati