Khoiri, A., and S. Sriyono. “The Influence of Voluntary Disclosure, Independent Commissioners and Information Asymmetry on Cost of Debt in Metal Sub-Sector Manufacturing Companies Listing on the IDX for the 2013-2018 Period: Pengaruh Voluntary Disclosure, Komisaris Independen Dan Asimetri Informasi Terhadap Biaya Hutang (Cost Of Debt) Pada Perusahaan Manufaktur Sub Sektor Logam Yang Listing Di BEI Periode 2013-2018”. Indonesian Journal of Innovation Studies, vol. 17, Oct. 2021, p. 10.21070/ijins.v17i.573, doi:10.21070/ijins.v17i.573.