Hutabarat, F. M., and M. R. Simbolon. “The Effect of Financial Ratios Towards Earning Per Share of Infrastructure Companies of the Indonesian Stock Exchange Infrastructure Sub Sector Indices”. Journal of International Scholars Conference - BUSINESS & GOVERNANCE, vol. 1, no. 3, Oct. 2020, https://jurnal.unai.edu/index.php/jiscbg/article/view/414.