Ratna Gumilang, R. 2019. IMPACT WORKING CAPITAL TERHADAP PENINGKATAN PROFITABILITAS PADA KSU CAHAYA PERMATA. Coopetition : Jurnal Ilmiah Manajemen . 9, 2 (Aug. 2019), 131–138. DOI:https://doi.org/10.32670/coopetition.v9i2.21.