Hendiarto, R. S., and S. . Kusnandar. “Leverage Factors in Cement Companies before and Within the Covid-19 Pandemic (Case Study on Cement Companies Registered on the Indonesian Stock Exchange)”. Jurnal Mantik, vol. 8, no. 1, May 2024, pp. 502-1, doi:10.35335/mantik.v8i1.5115.