TY - JOUR AU - توکل نیا, اسماعیل AU - تیرگری, مهدی TI - Financial Leverage, Cash Holdings and Firm Value in the Companies Listed in Tehran Stock Exchange: Investigating Non-linear and Hierarchical Relationships JO - Management Accounting VL - 7 IS - 22 SP - 35 EP - 51 PY - 2014 DO - ER -