TY - JOUR AU - torabi, taghi AU - tarighi, samaneh AU - soltani nejad, Hossein TI - The study smoothing in listed companies on the Stock Exchange, using the model Eckle (CASE STUDY Tehran Stock Exchange) JO - VL - 6 IS - 12 SP - 35 EP - 47 PY - 2016 DO - ER -