List of Articles گروه تجاری Open Access Article Abstract Page Full-Text 1 - The Investigation of membership effect in business group on the Investment–cash flow sensitivity امید پورحیدری علی قاسمی اقباش Open Access Article Abstract Page Full-Text 2 - The Investigation of Membership Effect in Business Group on the Firms’ Effective Tax Rate Ahmad Khodami Pour Meysam amini nia Mohammad Hasan Fadavi