فهرس المقالات Zahra Nikbakht المقاله 1 - Earnings Manipulation and Adjustment Speed towards an Optimal Leverage 10.22034/amfa.2020.1912619.1500 Abbas Aflatooni Mahdi Khazaei Zahra Nikbakht Advances in Mathematical Finance and Applications , العدد 4 , السنة 6 , تابستان 2021