Sukmadilaga, C. ., M. E. P. Santoso, and E. K. . Ghani. “Ownership Concentration, Sustainability Practices, and Cost of Debt: Evidence from ASEAN Countries”. Asian Economic and Financial Review, vol. 13, no. 6, May 2023, pp. 416-30, doi:10.55493/5002.v13i6.4796.