Dewi, S. A. I. K., D. G. Wirama, I. M. Sukartha, and I. G. N. A. Suaryana. “Income Smoothing and Cost of Capital”. International Journal of Business, Economics & Management, vol. 3, no. 1, July 2020, pp. 117-22, doi:10.31295/ijbem.v3n1.156.