List of Articles trade value Open Access Article Abstract Page Full-Text 1 - Economic Valuation of Market Oriented Outputs for Environmental Sources in Arjan-Parishan Lake (With in Emphasis Aquatic Species) Majid Abbasspour Zahra Abedi Majid Ahmadian Farzaneh Zafari Open Access Article Abstract Page Full-Text 2 - The Relationship between Net Share Value and Trade Value of Companies Listed On Tehran Stock Exchange in Securities Market Boom and Bust Cycles Elmira Ghadri Soumeh Farhad Hanifi Hamidreza Kordloei