%0 Journal Article %T The Double-Edged Sword of Buyer Power: Customer Concentration, Institutional Ownership, and Corporate Social Responsibility in an Emerging Market %A Najjarzadeh, Mahdiyar %A Nassirzadeh, Farzaneh %A داوود عسکرانی %A Arminkia, Amir Hossein %J Sustainability %@ 2071-1050 %D 2025