A. M. Lubis and R. D. . Harahap, “Effect of Accounts Receivable Turnover on Liquidity Level in Regional Drinking Water Company (PDAM) Tirta Silaupiasa, Asahan Regency”, j.ekonomi, j.manajemen, j.bisnis, j.akuntansi, vol. 2, no. 2, pp. 445–452, Dec. 2022.