Manggala, R. A., R. Septiyanti, and H. E. Puspita. “Comparison of Financial Performance and Corporate Social Responsibility Disclosures in Indonesian Telecommunication Companies before and During the Covid-19 Pandemic”. Asian Journal of Economics and Business Management, vol. 2, no. 1, Mar. 2023, pp. 414-2, doi:10.53402/ajebm.v2i1.281.