List of Articles نوسان پایین به بالا Open Access Article Abstract Page Full-Text 1 - Investigating the Effect of Narcissism of Managers on Stock Price Crash Shokrollah Khajavi Mohsen Rahmani Open Access Article Abstract Page Full-Text 2 - Impact of Financial constraints on Fluctuate down to up of stock returns with Credit rating zohreh Hajiha Aiob Ghorbani