List of Articles اقلامتعهدی اختیاری Open Access Article Abstract Page Full-Text 1 - The ability to assess and explain the models and optional Aqlamthdy revenue model Optional for detecting earnings management فریدون Rahnemaei صادق Rezaei A.K Salehi Open Access Article Abstract Page Full-Text 2 - The effect of tangible fixed assets and long-term investments in the quality of earnings محسن Dastgir بهرام GHanizadeh