Jerni Duma Sari Rambe et al. 2023. CONTRIBUTION OF WORKING CAPITAL MANAGEMENT AND LEVERAGE TO INCREASING VALUE OF MANUFACTURING COMPANIES AND CONJUNTURE EFFECT FROM PROFITABILITY RATIO MODEL: AN REALITY CASE STUDY IN INDONESIA STOCK EXCHANGE. International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS). 3, 2 (Mar. 2023), 369–384. DOI:https://doi.org/10.54443/ijebas.v3i2.732.