Association between Corporate Social Responsibility Disclosures and Firm Value–Empirical Evidence from Vietnam Portale Verticale Association between Corporate Social Responsibility Disclosures and Firm Value–Empirical Evidence from Vietnamdi B.T.N. Nguyen, H.T.T. Tran, O.H. Le, P.T. Nguyen, T.H. Trinh…, in International Journal of …, 2015