NAINGGOLAN, D.; NATHALIA, C.; TARIGAN, H.; SIBURIAN, P.; SINAGA, J. THE EFFECT OF WORKING CAPITAL, SOLVABILITY AND LIQUIDITY ON PROFITABILITY IN INFRASTRUCTURE, TRANSPORTATION, AND UTILITY. Jurnal Ilmiah Manajemen, Ekonomi, & Akuntansi (MEA), v. 4, n. 3, p. 824-839, 24 set. 2020.