TY - JOUR AU - جعفری, علی AU - هنرمند, مهسا AU - ذوالفقاری, حمید AU - رسائیان, امیر TI - The Relationship between Holding Periods for Common Stocks with Bid-Ask Spread, Market Value of the Firm and Return Volatility in Tehran Stock Exchange JO - Financial Knowledge of Securities Analysis VL - 5 IS - 16 SP - 41 EP - 59 PY - 2013 DO - ER -